Some apples and pears are shipped from the store. The weight of 5 baskets of apples is equal to the weight of 4 baskets of pears. Each basket of apples weighs 20 kilograms. How many kilograms does each basket of pears weigh?
商店运来一些苹果和梨，5筐苹果的重量和4筐梨的重量相等，每筐苹果重20千克，那么每筐梨重多少千克？
<gadget id="calculator">20 / 4</gadget>
<output>5</output>

<gadget id="calculator">5 * 5</gadget>
<output>25</output>

<result>25</result>