Guangming Glass Factory has produced 4920 glasses. If each box contains 8 boxes, each box contains 15 glasses. How many boxes are needed in total?
光明玻璃厂生产了4920个玻璃杯，如果每箱装8盒，每盒装15个杯子．一共需要多少个箱子才能装完？
<gadget id="calculator">4_920 / 15 / 8</gadget>
<output>41</output>

<result>41</result>