Put 50 grams of sugar into 400 grams of water, how much water accounts for the sugar water
把50克糖放入400克水中，水占糖水的多少
<gadget id="calculator">50 + 400</gadget>
<output>450</output>

<gadget id="calculator">400 / 450</gadget>
<output>8/9 = around 0.888889</output>

<result>8/9 = around 0.888889</result>