Ruby program to calculate trapezoid circumference

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Following program shows you how to calculate trapezoid circumference.
This program gets trapezoid bases and sides from user and calculates circumference and prints it using following formula
Circumference = base1 + base2 + side1 +side2

 puts "Please enter base1 of trapezoid:"
 trapezoidBase1 = gets.to_f
 puts "Please enter base2 of trapezoid:"
 trapezoidBase2 = gets.to_f
 puts "Please enter side1 of trapezoid:"
 trapezoidSide1 = gets.to_f
 puts "Please enter side2 of trapezoid:"
 trapezoidSide2 = gets.to_f
 circumferenceOfTrapezoid = trapezoidBase1 + trapezoidBase2 + trapezoidSide1 + trapezoidSide2
 puts "Circumference of trapezoid is: #{circumferenceOfTrapezoid}"

Output:

Please enter base1 of trapezoid:
3
Please enter base2 of trapezoid:
4
Please enter side1 of trapezoid:
8
Please enter side2 of trapezoid:
10
Circumference of trapezoid is: 25.0
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