#include <stdio.h>
#include <conio.h>
main()
{
	float a,b,c;
	printf("\n---------- Program : calculalate the area of a square ----------\n");
	printf("input a :");
	scanf("%f",&a);
	printf("\ninput b :");
	scanf("%f",&b);
	c = a*b;
	printf("\nResult : %.1f",c);
	printf("\n---------- By : Natechonnee Mutchimo No.17 ----------");
}