int main()
{
float a;
float b;
float sum;
float difference;
float product;
printf("enter 2 numbers");
scanf("%f%f",&a,&b);
sum= a + b;
difference = a - b
product =a*b;
printf("\nsum: %f" , sum);
printf("\ndifference: %f, difference);
printf("\nproduct : %f, product );
}