//计算两个数的乘积
#include<stdio.h>
#include<stdlib.h>
int main()
{
	double firstNumber,secondNumber,product;
	printf("两个浮点数：");
	scanf("%lf,%lf",&firstNumber,&secondNumber);
	product=firstNumber*secondNumber;
	printf("输出结果：%lf*%lf=%.2lf\n",firstNumber,secondNumber,product);
	system("pause");
	return 0; 
 }