#include <iostream>
#include <cstdlib>
using namespace std;

struct Car {
    string make;
    string model;   
    double milesPerGallon; 
    double tankSize;      
};

void calculateRange(Car *p);

int main() {
    Car myCar{"Toyota", "Corolla", 30.0, 12.0}; 
    
    calculateRange(&myCar);
    
    return EXIT_SUCCESS;
}

void calculateRange(Car *p) {
    double range = p->milesPerGallon * p->tankSize;

    cout << "The " << p->make << " " << p->model << " can travel approximately "
         << range << " miles on a full tank.\n";
}