The fruit store sells 500kg of apples, which is 1/5 less than the number of bananas sold. How many kilograms of bananas are sold?
水果商店卖出苹果500kg，比卖出的香蕉少(1/5)，卖出香蕉多少千克？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">500 / (4/5)</gadget>
<output>625</output>

<result>625</result>