Xiao Pang bought a football for 23.80 yuan and a badminton racket for 12.20 yuan. He took out a 50 yuan note, how much should he get back? (requirement: answer in two ways)
小胖买了一个足球要23.80元，一幅羽毛球拍12.20元，他拿出一张50元的纸币，应该找回多少元？(要求：用两种方法解答)
<gadget id="calculator">23.8 + 12.2</gadget>
<output>36</output>

<gadget id="calculator">50 - 36</gadget>
<output>14</output>

<result>14</result>