The school buys a basketball and a volleyball, which cost 44 yuan in total, a basketball is 12 yuan, and how much is a volleyball?
学校买1个篮球和一个排球，一共用去44元，一个篮球12元，一个排球多少钱？
<gadget id="calculator">44 - 12</gadget>
<output>32</output>

<result>32</result>