i = 4 d = 4.0 s = 'HackerRank ' # Declare second integer, double, and String variables. s_i = Integer(gets.chomp) s_d = Float(gets.chomp) s_s = gets.chomp # Read and save an integer, double, and String to your variables. puts i+s_i puts "%0.1f"%(d+s_d) puts s+s_s