In 100 kg of sugar water, there are 20 kg of sugar, how much water accounts for the sugar water
100千克的糖水中，糖有20千克，水占糖水的多少
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>