// Miles per Gallon Program
// This program calculates how many miles a car can drive per gallon of gas.
 
#include <iostream>
#include <iomanip>
using namespace std;
 
int main() {
    double gallons, miles, mpg;
 
    // Ask user for input
    cout << "Enter the number of gallons the car can hold: ";
    cin >> gallons;
 
    cout << "Enter the number of miles the car can be driven on a full tank: ";
    cin >> miles;
 
    // Prevent division by zero
    if (gallons <= 0) {
        cout << "Error: Gallons must be greater than zero." << endl;
        return 1;
    }
 
    // Calculate MPG
    mpg = miles / gallons;
 
    // Display result
    cout << fixed << setprecision(2);
    cout << "\nThe car's gas mileage is " << mpg << " miles per gallon." << endl;
 
    return 0;
}
 

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