Use 40 grams of salt and 960 grams of water to make brine, what is the percentage of salt in the brine
用40克盐加960克水配制成盐水，盐占盐水的多少
<gadget id="calculator">40 + 960</gadget>
<output>1_000</output>

<gadget id="calculator">40 / 1_000</gadget>
<output>1/25 = around 0.04</output>

<result>1/25 = around 0.04</result>