There are currently 60 children besieging a square to play games, so how many students should stand on each side? What if the pentagon is besieged? What about hexagons?
现有60个小朋友围城一个正方形做游戏，那么每边要站几个学生？如果围城五边形呢？六边形呢？
<gadget id="calculator">60 / 6</gadget>
<output>10</output>

<gadget id="calculator">10 - 1</gadget>
<output>9</output>

<result>9</result>