Put 100 grams of sugar into 200 grams of water, how much sugar accounts for the sugar water
把100克糖放入200克水中，糖占糖水的多少
<gadget id="calculator">100 + 200</gadget>
<output>300</output>

<gadget id="calculator">100 / 300</gadget>
<output>1/3 = around 0.333333</output>

<result>1/3 = around 0.333333</result>