If 250 grams of sugar is dissolved in 1 kg of water, what is the percentage of sugar in the sugar water?
把250克糖溶解在1千克水中，那么，糖水中含糖率为多少．
<gadget id="calculator">1 * 1_000</gadget>
<output>1_000</output>

<gadget id="calculator">250 + 1_000</gadget>
<output>1_250</output>

<gadget id="calculator">250 / 1_250</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">100 / 100</gadget>
<output>1</output>

<gadget id="calculator">(1/5) * 1</gadget>
<output>1/5 = around 0.2</output>

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