#include <stdio.h>
#include <conio.h>
main()
{
	printf("\n----------Program : Calculating the area of a square----------\n");
	float a,b,c;
	printf("Input a :");
	scanf("%f",&a);
	printf("Input b :");
	scanf("%f",&b);
	c = a*b;
    printf("Out put : %.1f",c);
	printf("\n---------- By : Arisa Sansiri No.30----------");
}