Jiajia has 3 jackets, 2 skirts, and 2 pants. How many different ways of wearing them are there?
佳佳有3件上衣，2条裙子，2条裤子，一共有多少种不同的穿法．
<gadget id="calculator">2 + 2</gadget>
<output>4</output>

<gadget id="calculator">3 * 4</gadget>
<output>12</output>

<result>12</result>