#!/usr/bin/ruby
# -*- coding: utf-8 -*-

=begin
BMI 계산 메서드 작성
=end

def bmi(kg, cm)
  weight = kg.to_f
  height = cm.to_f / 100

  weight / (height ** 2)
end

puts "BMI = #{bmi(70, 170)}" # 24.22
puts "BMI = #{bmi(75, 175)}" # 24.5