Recently I started to learn c++, although few of my files would actually compile, this is my latest atempt at making a working C++ program. This is a simple calculator that can peform 2 operations, Multiplacation and Division. As usual, my project refuses to compile, Im using Dev C++ 4.9.9.2, and get the following errors when compiling:

Code:
 D:\C ++\Project No.2 Calculator\MiniC.cpp In function `int main(int, char**)':
11 D:\C ++\Project No.2 Calculator\MiniC.cpp expected primary-expression before ':' token 
11 D:\C ++\Project No.2 Calculator\MiniC.cpp expected `;' before ':' token  
43 D:\C ++\Project No.2 Calculator\MiniC.cpp expected `;' before string constant 
70 D:\C ++\Project No.2 Calculator\MiniC.cpp expected `;' before string constant 
78 D:\C ++\Project No.2 Calculator\MiniC.cpp break statement not within loop or switch 
45 D:\C ++\Project No.2 Calculator\MiniC.cpp label `mMenu' used but not defined 
 D:\C ++\Project No.2 Calculator\Makefile.win [Build Error]  [MiniC.o] Error 1

Heres the code:

Code:
 //Mini calculator used for multiplication and division
#include <cstdlib>
#include <iostream>
#include <cstdio>

using namespace std;

int main(int argc, char *argv[])
{
    //ask for conversion of Multiplacation and Division
    :mMenu;
    system("cls");
    cout<<"Calculator Mini v1\n\n";
    cout<<"1. Multiplacation.\n";
    cout<<"2. Division.\n";
    cout<<"3. Exit.\n";
    int mMenuc;
    cout<<"\nYour decision (1,2,3):";
    cin>>mMenuc;
    
    //Multiplacation
    if (mMenuc==1)
    {
                  //value 1
                  float multi1;
                  system("cls");
                  cout<<"Mini Calculator v1\n\n";
                  cout<<"Please enter value 1:";
                  cin>>multi1;
                  
                  //value 2
                  float multi2;
                  system("cls");
                  cout<<"Mini Calculator v1\n\n";
                  cout<<"Please enter value 2:";
                  cin>>multi2;
                  
                  //Output
                  float multiO;
                  multiO=multi1*multi2;
                  system("cls");
                  cout<<"Mini Calculator v1\n\n";
                  cout<<multi1"x"multi2"="multiO"\n";                  
                  system("PAUSE");
                  goto mMenu;
    }
    
    //division
    if (mMenuc==2)
    {
                  //value 1
                  float div1;
                  system("cls");
                  cout<<"Mini Calculator v1\n\n";
                  cout<<"Please enter value 1:";
                  cin>>div1;
                  
                  //value 2
                  float div2;
                  system("cls");
                  cout<<"Mini Calculator v1\n\n";
                  cout<<"Please enter value 2:";
                  cin>>div2;
                  
                  //Output
                  float divO;
                  divO=div1/div2;
                  system("cls");
                  cout<<"Mini Calculator v1\n\n";
                  cout<<div1"/"div2"="divO"\n";                  
                  system("PAUSE");
                  goto mMenu;
    }
    
    //Exit
    if(mMenuc==3)
    {
                 break;
    }
    
    //failsafe 1
    if(mMenuc>=4)
    {
                 system("cls");
                 cout<<"ERROR: Incorrect input, restarting";
                 system("pause");
                 goto mMenu;
    }
    
    //failsafe 2
    if(mMenuc<=0)
    {
                 system("cls");
                 cout<<"ERROR: Incorrect input, restarting.";
                 system("pause");
                 goto mMenu;
    }
    return EXIT_SUCCESS;
}
Thx in advance