Calculate area of rectangle

Q4. Write a program to input length and breadth of a rectangle and calculate its area. Area=Length*Breadth. 1

#include<stdio.h>
void main()
{
    int a, l, b;
    printf("Enter length: ");
    scanf("%d",&l);
    printf("Enter breadth: ");
    scanf("%d",&b);
    a=l*b;
    printf("Area = %d",a);
}