There are 2 jackets, 4 pants, and a jacket with a pair of pants. How many different matching methods are there?
有2件上衣，4条裤子，一件上衣搭配一条裤子，一共有多少种不同的搭配方法．
<gadget id="calculator">2 * 4</gadget>
<output>8</output>

<result>8</result>