If 25 grams of sugar is dissolved in 100 grams of water, what is the percentage of sugar in the water?
25克糖溶解在100克水中，糖占糖水的多少．
<gadget id="calculator">100 + 25</gadget>
<output>125</output>

<gadget id="calculator">25 / 125</gadget>
<output>1/5 = around 0.2</output>

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