Put 2 grams of sugar into 198 grams of water, how much sugar accounts for the sugar water.
2克糖放入198克水中，糖占糖水的多少．
<gadget id="calculator">198 + 2</gadget>
<output>200</output>

<gadget id="calculator">2 / 200</gadget>
<output>1/100 = around 0.01</output>

<result>1/100 = around 0.01</result>