jacket is 36 yuan, and trousers are 24 yuan; how much does it cost to buy 12 sets of these clothes?
一件上衣36元，裤子24元；买12套这样的衣服，一共需要多少钱？
<gadget id="calculator">36 + 24</gadget>
<output>60</output>

<gadget id="calculator">60 * 12</gadget>
<output>720</output>

<result>720</result>