The weight ratio of sugar and water in sugar water is 1:9. At this time, the weight of sugar accounts for the weight of sugar water.
糖水中糖和水的重量比是1：9，这时糖的重量占糖水重量的多少．
<gadget id="calculator">1 + 9</gadget>
<output>10</output>

<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<result>1/10 = around 0.1</result>