If 25 grams of salt are added to 100 grams of salt water with a concentration of 15%, what is the concentration of the salt water at this time?
在浓度为15%的100克盐水中，再加入25克盐，这时盐水的浓度是多少．
<gadget id="calculator">15 / 100</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">100 * (3/20)</gadget>
<output>15</output>

<gadget id="calculator">15 + 25</gadget>
<output>40</output>

<gadget id="calculator">25 + 100</gadget>
<output>125</output>

<gadget id="calculator">40 / 125</gadget>
<output>8/25 = around 0.32</output>

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

<gadget id="calculator">(8/25) * 1</gadget>
<output>8/25 = around 0.32</output>

<result>8/25 = around 0.32</result>