Mr. Zhang applied for 504 new books for the "Reading Club". Distribute these new books to 8 extracurricular reading groups in the whole school, each group has 7 people, how many books will each person get on average?
张老师为"读书社"申请了504本新书．把这些新书分给全校的8个课外阅读小组，每个小组有7人，平均每人将分到多少本书？
<gadget id="calculator">504 / 8 / 7</gadget>
<output>9</output>

<result>9</result>