Put 30 grams of sugar into 120 grams of water, sugar accounts for ((())/(())).
把30克糖放入120克水中，糖占糖水的((())/(()))．
<gadget id="calculator">30 + 120</gadget>
<output>150</output>

<gadget id="calculator">30 / 150</gadget>
<output>1/5 = around 0.2</output>

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