Ruby program to calculate parallelogram area

Fallowing program shows you how to calculate parallelogram area.
This program gets parallelogram base and height from user and calculates area and prints it using following formula
Area = base X height

 puts "Please enter base of parallelogram:"
 parallelogramBase = gets.to_f
 puts "Please enter height of parallelogram: "
 parallelogramHeight = gets.to_f
 areaOfParallelogram = parallelogramBase * parallelogramHeight
 puts "Area of parallelogram is: #{areaOfParallelogram}"

Output:

Please enter base of parallelogram: 
7
Please enter height of parallelogram: 
9
Area of parallelogram is: 63.0