c 语言 计算器

#include
int main()
{
     float a,b;
     scanf("%f%f",&a,&b);
     printf("%f+%f= %g\n",a ,b, a+b);
     printf("%f-%f = %g\n",a, b, a-b);
     printf("%f*%f= %g\n",a, b, a*b);
     printf("%f/%f = %g\n",a, b, a/b);
}