There are 36 students participating in the rope skipping competition, each in a group of 3, how many skipping ropes do you need to prepare?
有36名学生参加跳绳比赛，每3人一组，需要准备多少根跳绳？
<gadget id="calculator">36 / 3</gadget>
<output>12</output>

<result>12</result>