There are 3 jackets and 2 pairs of pants. To make a suit of clothes, how many different collocation methods are there?
有3件上衣，2条裤子．要配成一套衣服，不同的搭配方法共有多少种．
<gadget id="calculator">3 * 2</gadget>
<output>6</output>

<result>6</result>