There is a batch of goods, 2 boxes of 2 boxes, 1 box left, 3 boxes of 3 boxes, 1 box, 5 boxes of 5 boxes, 1 box, at least how many boxes of this batch of goods?
有一批货物，2箱2箱地数剩1箱，3箱3箱地数剩1箱，5箱5箱地数剩1箱，这批货物至少有多少箱？
<gadget id="calculator">2 * 3 * 5</gadget>
<output>30</output>

<gadget id="calculator">30 + 1</gadget>
<output>31</output>

<result>31</result>