Use function in cout statement : cout « Development « C++ Tutorial

1. C++ Tutorial
2. Development
3. cout

#include <iostream> 
using namespace std; 
int box(int length, int width, int height); // return the volume 

int main() 
{ 
  // use the return value of box( ) directly 
  cout << "The volume is " <<  box(10.1, 11.2, 3.3); 
 
  return 0; 
}
// This function returns a value.  
int box(int length, int width, int height) 
{ 
  return length * width * height ; 
}

The volume is 330