Zhang Yue, Wang Hao, and Li Xin want to take a group photo. How many different ways of standing are there? Please write it down.
张悦、王浩、李欣3名同学要拍合影，一共有多少种不同的站法？请你写下来．
<gadget id="calculator">3 * 2 * 1</gadget>
<output>6</output>

<result>6</result>