I keep getting syntax errors every time compile it. Each converter works alone, but I cant seem to get them to work together.Code:#include <iostream.h> using namespace std; void gl(); void lg(); void mk(); void km(); void pk(); void kp(); int a; int main() { cout << "Choose the converter you want (1-6): \n"; cout << "1: Gallons to liters. \n"; cout << "2: Liters to gallons. \n"; cout << "3: Miles to kilometers. \n"; cout << "4: Kilometers to miles. \n"; cout << "5: Pounds to kilograms. \n"; cout << "6: Kilograms to pounds. \n"; cout << "\n"; cin >> a; switch(a){ case 1: gl(); case 2: lg(); case 3: mk(); case 4: km(); case 5: pk(); case 6: kp(); } } // Gallons to liter converter void gl() { float liters; float gallons; { cout << "Input gallons. \n"; cin >> gallons; liters = gallons * 3.7854118; cout << "Liters:" << liters; } } // Kilograms to pounds converter void kp() float lbs; float kg; { { cout << "Input kilograms. \n"; cin >> kg; float lbs = kg * 2.20462262; cout << "Pounds:" << lbs; } } // Kilometers to miles converter void km() float kilometers; float miles; { { cout << "Input kilometers. \n"; cin >> kilometers; miles = kilometers * 1.609344; cout << "Miles:" << miles; } } // Liters to gallons converter void lg() float liters; float gallons; { { cout << "Input liters. \n"; cin >> liters; gallons = liters * 0.264172051; cout << "Gallons:" << gallons; } } // Pounds to kilograms converter void pk() float lbs; float kg; { { cout << "Input pounds. \n"; cin >> lbs; kg = lbs * 0.45359237; cout << "Kilograms:" << kg; } } // Miles to kilometers converter void mk() float kilometers; float miles; { { cout << "Input miles. \n"; cin >> miles; kilometers = miles * 0.621371192; cout << "Kilometers:" << kilometers; } }