Dissolve 100 grams of sugar in 900 grams of water, how much water accounts for the sugar water
把100克糖溶于900克水中，水占糖水的多少
<gadget id="calculator">900 + 100</gadget>
<output>1_000</output>

<gadget id="calculator">900 / 1_000</gadget>
<output>9/10 = around 0.9</output>

<result>9/10 = around 0.9</result>