A nickname has 3 different jackets, 2 pairs of pants, and 3 pairs of shoes. One jacket, one pair of pants and one pair of shoes are one way of wearing. How many different ways does he have in total?
小名有不同的上衣3件，裤子2条，鞋3双，一件上衣一条裤子和一双鞋子为一种穿法，他一共有多少种不同的穿法．
<gadget id="calculator">3 * 2 * 3</gadget>
<output>18</output>

<result>18</result>