If 30 grams of sugar is added to 100 grams of water, what percentage of the sugar water is the water?
把30克的糖加入100克水中，则水占糖水的几分之几？
<gadget id="calculator">30 + 100</gadget>
<output>130</output>

<gadget id="calculator">100 / 130</gadget>
<output>10/13 = around 0.769231</output>

<result>10/13 = around 0.769231</result>