Each disposable paper cup can hold 0.25 liters of fruit juice. How many paper cups are needed to fill a bucket of 5 liters of fruit juice?
每个一次性纸杯可以装0.25升果汁，现有一桶5升的果汁，需要多少个纸杯才能装完？
<gadget id="calculator">5 / 0.25</gadget>
<output>20</output>

<result>20</result>