How much does it cost to buy 12 sets of dance clothes like this? (36 yuan for tops, 24 yuan for bottoms.)
买12套这样的舞蹈服，一共需要多少钱？(上衣36元，下衣24元．)
<gadget id="calculator">36 + 24</gadget>
<output>60</output>

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

<result>720</result>