Put 100 grams of sugar into 400 grams of water, what is the weight of the sugar in the sugar water
把100克糖放入400克水中，糖占糖水重量的多少
<gadget id="calculator">100 + 400</gadget>
<output>500</output>

<gadget id="calculator">100 / 500</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>