Add 25 grams of salt to 100 grams of water, what is the percentage of salt in water
100克水中加入25克盐，盐占水的百分比是多少
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<result>1/4 = around 0.25</result>