The school cafeteria bought 5 boxes of apples and 5 boxes of pears from the fruit shop, weighing 62.5 kilograms in total. It is known that each box of apples weighs 4 kilograms. How many kilograms does each box of pears weigh?
学校食堂从水果店买进5箱苹果和5箱梨，共重62.5千克，已知每箱苹果重4千克，问每箱梨重多少千克？
<gadget id="calculator">62.5 / 5</gadget>
<output>12.5</output>

<gadget id="calculator">12.5 - 4</gadget>
<output>8.5</output>

<result>8.5</result>