Dissolve 8 grams of sugar in 12 grams of water, how much sugar accounts for the sugar water
8克糖溶解到12克水中，糖占糖水的多少
<gadget id="calculator">8 / 20</gadget>
<output>2/5 = around 0.4</output>

<result>2/5 = around 0.4</result>