#include<iostream>
using namespace std;
// Declare volume to compute the volume
// of a rectangular box
float volume(float length, float width, float height);
int main() {
  // Initialize variables
  float length, width, height, volume;
  // Receive input of box dimensions
  cout << "Enter length: ";
  cin >> length;
  cout << "Enter width: ";
  cin >> width;
  cout << "Enter height: ";
  cin >> height;
  // Call function to compute box volume
  boxVolume=volume(length,width,height);
  // Report box volume
  cout << "The box volume is " << boxVolume << endl;
  return 0;
}
// Define volume to compute the volume of a
// rectangular box
float volume(float length, float width, float height)
{
  float output=length*width*height;
  return output;
}