Practice questions on gets,gets,gets

puts "Enter length"
length = gets.chomp.to_i
puts "Enter Breadth"
breadth = gets.chomp.to_i
puts length*breadth

puts "Enter length"
length = gets.chomp.to_f
puts "Enter Breadth"
breadth = gets.chomp.to_f
puts (length*breadth).to_i

puts "Enter side"
side = gets.chomp.to_i
puts "Area is #{side*side}"
puts "Perimeter is #{4*side}"

puts "Enter name"
name = gets.chomp
puts "Enter roll number"
roll = gets.chomp
puts "Field of interests"
interest = gets.chomp
puts "Hey, my name is #{name} and my roll number is #{roll}. My field of interest is #{interest}"

puts "Enter number to find the square of it"
number = gets.chomp.to_i
puts number**2

puts "Enter first string"
first = gets.chomp
puts "Enter seconnd string"
second = gets.chomp
final = first+second
puts final