#include <stdio.h>
#include <conio.h>
main()
{
	printf("\n----------Program:Calculatint the area of an equilateral rectangle ----------\n");
	float a,b,c,d,e;
	printf("\nInput a :");
	scanf("%f",&a);
	printf("\nInput b :");
	scanf("%f",&b);
	printf("\nInput c :");
	scanf("%f",&c);
	printf("\nInput d :");
	scanf("%f",&d);
	e = a*b*c*d;
	printf("\nResult : %.1f",e);
	printf("\n----------By:Kitthamuk Paipoug----------");
}