The kindergarten bought some apples, ate 20 kilograms on the first day, 25 kilograms on the second day, and ate 5% more apples on the second day than on the first day. How many kilograms of apples did the kindergarten buy?
幼儿园买来一些苹果，第一天吃了20千克，第二天吃了25千克，第二天吃的比第一天多5%，幼儿园买来多少千克苹果？
<gadget id="calculator">25 - 20</gadget>
<output>5</output>

<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

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

<result>100</result>