Xiaohong has 3 different colors of tops and 4 different colors of skirts. Ask her how many different ways of dressing she has.
小红有3种不同颜色的上衣，4种不同颜色的裙子，问她共有多少种种不同的穿法．
<gadget id="calculator">3 * 4</gadget>
<output>12</output>

<result>12</result>