There are 45 people in the Trinity class to celebrate "June 1". The activity is divided into 5 performance groups. How many people are there on average in each group?
三一班有45人庆"六一"，活动中分成5个节目表演组，平均每组有几人？
<gadget id="calculator">45 / 5</gadget>
<output>9</output>

<result>9</result>