Three of Zhang, Wang, Li, and Zhao took a photo together. How many different group photos did they take?
张，王，李，赵四位同学中每3人合一张影，他们一共照了多少种不同的合影．
<gadget id="calculator">4 * 3 * 2</gadget>
<output>24</output>

<result>24</result>