The school organized students to plant trees. A total of 540 people went there. They were divided into 5 tree planting sites, and each tree planting site was divided into 9 groups. Quickly calculate how many people in each group plant trees?
学校组织学生去植树，共去了540人，要分成5个植树点，每个植树点分成9组．赶快计算一下每组有多少人去植树？
<gadget id="calculator">540 / 5 / 9</gadget>
<output>12</output>

<result>12</result>