Among the 10 winners of the school's top ten singer contest, every three of them have to take a group photo. Q: How many photos do I need to take?
学校十佳歌手大赛的10名获奖选手中，每3人都要照一张合影．问：需要拍多少张照片？
<gadget id="calculator">10 * 9 * 8</gadget>
<output>720</output>

<gadget id="calculator">3 * 2 * 1</gadget>
<output>6</output>

<gadget id="calculator">720 / 6</gadget>
<output>120</output>

<result>120</result>