Put 9 grams of sugar into 50 grams of water, how much sugar accounts for the sugar water.
把9克糖放入50克水中，糖占糖水的多少．
<gadget id="calculator">50 + 9</gadget>
<output>59</output>

<gadget id="calculator">9 / 59</gadget>
<output>9/59 = around 0.152542</output>

<result>9/59 = around 0.152542</result>