The orchard of Uncle Li’s family received a batch of apples. Each box weighs 20 kilograms, and 50 boxes are needed. If each box is filled with 5 kilograms more, how many boxes are needed? (Solution with proportional knowledge)
李大爷家的果园收了一批苹果，每箱20千克，需要50个箱子，如果每箱多装5千克，需要多少个箱子？(用比例知识解)
<gadget id="calculator">20 * 50</gadget>
<output>1_000</output>

<gadget id="calculator">20 + 5</gadget>
<output>25</output>

<gadget id="calculator">1_000 / 25</gadget>
<output>40</output>

<result>40</result>