#include <conio.h>
main()
{
	float a,b,c,e;
	printf("Input A :");
	scanf("%f",&a);
	printf("\nInput B :");
	scanf("%f",&b);
	printf("\nInput C :");
	scanf("%f",&c);
	e = a*b*c;
	printf("\nResult : %f.2",e);
	printf("\nBy Suphiwan Boonjaeng");
}