Ruby Basics - Arithmetic Operators
=begin
Arithmetic Operators
Here, y = 5;
+ Addition (x = y + 2 => 7)
- Subtraction (x = y - 2 => 3)
* Multiplication (x = y * 2 => 10)
/ Division (x = y / 2 => 2.5)
% Modulus (remainder) (x = y % 2 => 1)
** Exponent (x = y**2 => 5 to the power 2)
=end