How many grams of water are needed to prepare brine with a salt content of 5% using 50 grams of salt?
用50克盐配制含盐率为5%的盐水，需要水多少克？
<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">50 / (1/20)</gadget>
<output>1_000</output>

<gadget id="calculator">1_000 - 50</gadget>
<output>950</output>

<result>950</result>