There is 80 grams of 25% type A saline solution, mix it with 120 g of type B saline solution to obtain a 16% saline solution, find the concentration of type B saline solution.
有浓度为25%的A种盐水溶液80克，将其与120克B种盐水溶液混合后，得到浓度为16%的盐水溶液，求B种盐水溶液的浓度．
<gadget id="calculator">80 + 120</gadget>
<output>200</output>

<gadget id="calculator">16 / 100</gadget>
<output>4/25 = around 0.16</output>

<gadget id="calculator">200 * (4/25)</gadget>
<output>32</output>

<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">80 * (1/4)</gadget>
<output>20</output>

<gadget id="calculator">32 - 20</gadget>
<output>12</output>

<gadget id="calculator">12 / 120</gadget>
<output>1/10 = around 0.1</output>

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

<gadget id="calculator">(1/10) * 1</gadget>
<output>1/10 = around 0.1</output>

<result>1/10 = around 0.1</result>