Exercise 1

#include<iostream.h>
main()
{
      //declare variable
      float num1,num2,num3,calculate;
      //input1
      cout<<"please insert number for num1 =";
      cin>>num1;
      //input2
      cout<<"please insert number for num2 =";
      cin>>num2;
      //input3
      cout<<"please insert number for num3 =";
      cin>>num3;
      //formula
      calculate =(num1*num2)-num3+(num2/num1);
      //output
      cout<<"the answer for the problem is ="<<calculate;
      return 0;
      }