The price of a badminton racket for clothes is 38 yuan. Xiaohua bought a badminton racket for clothes and 2 badmintons. The total cost is 40 yuan. How much is a badminton?
衣服羽毛球拍的价钱是38元，小华买了衣服羽毛球拍和2个羽毛球，一共用去40元，一个羽毛球多少元？
<gadget id="calculator">40 - 38</gadget>
<output>2</output>

<gadget id="calculator">2 / 2</gadget>
<output>1</output>

<result>1</result>