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

float op()
{
    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);
    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");
    op();
    return 0;
}

//........Coded by JAIDEEP JAMBLE