Volume of a box

#include<stdio.h>

void main()

{

int length,breadth,height,volume;     //declaration of variables

clrscr();

printf("Enter length,breadth,height of the box :\n");

scanf("%d%d%d",&length,&breadth,&height);

volume=length*breadth*height;         //calculation of volume

printf("\nVolume = %d",volume);

getch();

}