Calculate the Area of Rectangle with C language

#include <stdio.h>
#include <conio.h>
int main()
{
    int l, b, area;
    printf("\nEnter l of rectangle : ");
    scanf("%d", &l);
    printf("\nEnter b of rectangle : ");
    scanf("%d", &b);
    area = l * b;
    printf("\nArea of rectangle : %d", area);
    return (0);
}

Output:-

Enter l of rectangle : 5

Enter b of rectangle : 10

Area of rectangle : 50