var1 = 2
var2 = "5"

puts var1.to_s + var2
puts var1 + var2.to_i

puts "15".to_f
puts "99.999".to_f
puts "99.999".to_i
puts ""
puts "5 is my favorite number!".to_i
puts "Who asked you about 5 or whatever?".to_i
puts "Your mama did.".to_f
puts ""
puts "stringy".to_s
puts 3.to_i

puts 20
puts 20.to_s
puts "20"