There are 8 boxes of oranges in the fruit shop, each box weighs 20 kilograms, and the weight of oranges is 4 times that of white pears. How many kilograms of white pears are there in the fruit shop?
水果店有8箱桔子，每箱重20千克，桔子的重量是白梨的4倍．水果店有白梨多少千克？
<gadget id="calculator">8 / 4</gadget>
<output>2</output>

<gadget id="calculator">20 * 2</gadget>
<output>40</output>

<result>40</result>