#include <iostream.h> 
class box_car {
  public: double height, width, length;
};
double box_car_volume (double h, double w, double l) {
  return h * w * l;
}
main ( ) {
  box_car x;
  x.height = 10.5; x.width = 9.5; x.length = 40.0;
  cout << "The volume of the box_car is "
       << box_car_volume (x.height, x.width, x.length)
       << endl;
}