Pack 20 kg of sugar separately, if each bag contains (1/4) kg, how many bags can be filled.
分装20千克糖，若每袋装(1/4)千克，可以装多少袋．
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">20 / (1/4)</gadget>
<output>80</output>

<result>80</result>