Ruby program to convert miles to kilometers

Following program shows you how to convert miles to kilometers.
In this program we get miles from user, once we get those we need to multiply with 1.6 so that we get in kilometers

 puts "Please enter miles:"
 miles = gets.to_f
 kilometers = miles * 1.6
 puts "#{kilometers} Kilometers"

Output:

Please enter miles:
25
40.0 Kilometers