Add 100 grams of sugar to 1 kg of water, what is the percentage of sugar in the sugar water?
在1千克水中加入100克糖，这时糖占糖水的多少
<gadget id="calculator">1 * 1_000</gadget>
<output>1_000</output>

<gadget id="calculator">100 + 1_000</gadget>
<output>1_100</output>

<gadget id="calculator">100 / 1_100</gadget>
<output>1/11 = around 0.090909</output>

<result>1/11 = around 0.090909</result>