#include <stdio.h>
#include <conio.h>
main()
 
{
	 printf("Progrem : 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("Result :%.2f",c);
		printf("\nBy : kanyanat Somchai No.10");
   	 
}