Xiaohong has 3 coats and 2 pairs of trousers. One coat and one pair of trousers can be matched arbitrarily. How many different ways can they be worn?
小红有3件上衣、2条裤子，一件上衣和一条裤子任意搭配，有多少种不同的穿法．
<gadget id="calculator">3 * 2</gadget>
<output>6</output>

<result>6</result>