Gonghe Fruit Supermarket shipped 40 boxes of apples and 20 boxes of pears, with a total weight of 1520 kg. It is known that each box of pears weighs 26 kg, how much does each box of apples weigh? (column equation solution)
共和水果超市运来苹果40箱，梨20箱，共重1520千克．已知每箱梨重26千克，每箱苹果重多少千克？(列方程解答)
<gadget id="calculator">20 * 26</gadget>
<output>520</output>

<gadget id="calculator">1_520 - 520</gadget>
<output>1_000</output>

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

<result>25</result>