A pair of socks is 3 yuan, a jacket is 12 times the price of a pair of socks, how much is a jacket.
一双袜子3元，一件上衣是一双袜子价钱的12倍，一件上衣多少钱．
<gadget id="calculator">3 * 12</gadget>
<output>36</output>

<result>36</result>