Convert Feet to Meters
The code has been modified slightly and now uploaded to the site.

23.cpp
#include <iostream>
using namespace std;
int main(){
double feet;
double meters;
const double conversion = 0.305;
std::cout << "Enter a value for feet: \n";
std::cin >> feet;
meters = feet * conversion;
std::cout << feet << " feet is " << meters << " meters";
}