Put 60 grams of sugar into 90 grams of water, how much sugar accounts for the sugar water
把60克糖放入90克水中，糖占糖水的多少
<gadget id="calculator">60 + 90</gadget>
<output>150</output>

<gadget id="calculator">60 / 150</gadget>
<output>2/5 = around 0.4</output>

<result>2/5 = around 0.4</result>