The kindergarten bought some apples and ate 20 kilograms, accounting for (1/5) of all apples. How many kilograms of apples did the kindergarten buy?
幼儿园买来一些苹果，吃了20千克，占全部苹果的(1/5)，幼儿园买来多少千克苹果？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">20 / (1/5)</gadget>
<output>100</output>

<result>100</result>