Lan Lan has 3 hats, red, yellow, and blue, and 2 scarves, white and black. Each time she chooses a hat and a scarf to make a set, how many different matching methods are there?
兰兰有红色、黄色、蓝色3顶帽子和白色、黑色2条围巾，每次选一顶帽子和一条围巾配成一套，一共有多少种不同的搭配方法．
<gadget id="calculator">3 * 2</gadget>
<output>6</output>

<result>6</result>