#include <stdio.h>
#include <stdlib.h>
#include <math.h>

float op(float l, float w, float h)
{
    float surface_area;
    surface_area = 2 * (w * l + l * h + h * w); 
    printf("Surface area of right rectangular prism is: %f", surface_area);
}

float main()
{
    system("cls");
    float l, w, h;
    printf("Enter the length of the right rectangular prism: \n");
    scanf("%f", &l);
    printf("Enter the width of the right rectangular prism: \n");
    scanf("%f", &w);
    printf("Enter the height of the right rectangular prism: \n");
    scanf("%f", &h);

    op(l, w, h);
    return 0;
}
//.......Coded by YASH ALLAPURIA