Put 20 kilograms of sugar in boxes, how many boxes can be filled if each box contains (4/5) kilograms?
将20千克糖装在盒子里，如果每盒装(4/5)千克，可以装多少盒？
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">20 / (4/5)</gadget>
<output>25</output>

<result>25</result>