Put 15 grams of sugar into 85 grams of water, how much sugar accounts for the sugar water.
把15克糖放入85克水中，糖占糖水的多少．
<gadget id="calculator">15 + 85</gadget>
<output>100</output>

<gadget id="calculator">15 / 100</gadget>
<output>3/20 = around 0.15</output>

<result>3/20 = around 0.15</result>