Dissolve 250 grams of salt in 1 kilogram of water, what is the salt content of the resulting brine
把250克盐全部溶解在1千克水中，所得盐水的含盐率是多少
<gadget id="calculator">1 * 1_000</gadget>
<output>1_000</output>

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