C++ Arithmetic Operator Converting a length in inches to feet-and-inches.

#include <iostream>

int main(){/*from   w w w  .  java  2  s.c o m*/
  const int inches_per_foot = 12;

  long length_inches = 0;

  std::cout << "Please enter the number of inches: ";
  std::cin >> length_inches;

  long feet = length_inches / inches_per_foot;
  long inches = length_inches % inches_per_foot;

  std::cout << "In " << length_inches 
            << " inches there are " 
            << feet << " feet and " << inches << " inch(es)." << std::endl;
}