The extra-curricular group went to the beach to pick up shells, 8 people picked up 564 shells in 1.5 hours, how many shells did each person pick up per hour on average?
课外小组到海边捡贝壳，8人1.5小时共捡贝壳564个，平均每人每小时捡贝壳多少个？
<gadget id="calculator">564 / 8 / 1.5</gadget>
<output>47</output>

<result>47</result>