输入两个小数并求和

#include<stdio.h>
int main ()
{
	float a,b,c;
	printf("请输入两个小数：\n");
	scanf("%f,%f",&a,&b);
	printf("a=%.2f,b=%.2f\n",a,b);
	c=a+b;
	printf("两个小数之和为c=%.2f\n",c);
	return 0;
 }