diff --git a/cafe.rb b/cafe.rb
index 2069514..582755e 100644
--- a/cafe.rb
+++ b/cafe.rb
@@ -19,16 +19,16 @@ def take_order(menus)
     puts "(#{i})#{menu[:name]}: #{menu[:price]}円"
   end
   print '>'
-  order_number = gets.to_i
+  order_number = gets.to_i - 1
   puts "#{menus[order_number][:name]}(#{menus[order_number][:price]}円)ですね。"
   order_number
 end
 
 puts 'bugカフェへようこそ！ご注文は？ 番号でどうぞ'
-order1 = take_order(DRINKS)
+order_drinks = take_order(DRINKS)
 
 puts 'フードメニューはいかがですか?'
-order2 = take_order(FOODS)
+order_foods = take_order(FOODS)
 
-total = FOODS[order1][:price] + DRINKS[order2][:price]
+total = DRINKS[order_drinks][:price].to_i + FOODS[order_foods][:price].to_i
 puts "お会計は#{total}円になります。ありがとうございました！"