Find the Area, Perimeter of a rectangle

#include<stdio.h>

void main()

{

int length,breadth,area,perimetre;

clrscr();

printf("Enter length and breadth of the rectangle : ");

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

area=length*breadth;

perimetre=2*(length+breadth);

printf("\nArea of the rectangle = %d",area);

printf("\nPerimetre of the rectangle = %d",perimetre);

getch();

}