Dad buys a pair of badminton rackets and 4 badmintons for 59.2 yuan. A pair of badminton rackets is 48 yuan. How much is a badminton?
爸爸买一副羽毛球拍和4只羽毛球，共用去59.2元，一副羽毛球拍48元，一只羽毛球多少元？
<gadget id="calculator">59.2 - 48</gadget>
<output>11.2</output>

<gadget id="calculator">11.2 / 4</gadget>
<output>2.8</output>

<result>2.8</result>