Put 20 grams of sugar into 180 grams of water, sugar accounts for ((())/(())).
把20克糖放入180克水中，糖占糖水的((())/(()))．
<gadget id="calculator">20 + 180</gadget>
<output>200</output>

<gadget id="calculator">20 / 200</gadget>
<output>1/10 = around 0.1</output>

<result>1/10 = around 0.1</result>