Dissolve 20 grams of sugar in 80 grams of boiling water, how much sugar is in the sugar water
把20克糖溶解在80克开水中，这时糖水中含糖多少
<gadget id="calculator">20 + 80</gadget>
<output>100</output>

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

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