Exercise 2: Calculator

Problem Statement

A constructor function called Calculator is given with fields: num1 and num2. You have to add the following methods to the constructor function:

• add(): a method which returns the sum after addition of num1 and num2.

• subtract(): a method which returns the subtraction of num1 from num2

• multiply(): a method which returns the multiplication of num1 and num2.

• divide(): a method which returns the division of num2 by num1.

Sample Input

var obj = new Calculator(5,10)
obj.add()
obj.subtract()
obj.multiply()
obj.divide()

Sample Output

15
5
50
2