Mix 80 grams of 5% brine with 20 grams of 8% brine, then pour out 10 grams of this brine, and then add 10 grams of salt. Find the current concentration of the brine?
把5%的盐水80克与8%的盐水20克混合在一起，然后倒掉这样的盐水10克，再加入10克盐，求现在盐水的浓度？
<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

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

<gadget id="calculator">8 / 100</gadget>
<output>2/25 = around 0.08</output>

<gadget id="calculator">20 * (2/25)</gadget>
<output>8/5 = around 1.6</output>

<gadget id="calculator">4 + (8/5)</gadget>
<output>28/5 = around 5.6</output>

<gadget id="calculator">80 + 20</gadget>
<output>100</output>

<gadget id="calculator">(28/5) / 100</gadget>
<output>7/125 = around 0.056</output>

<gadget id="calculator">10 * (7/125)</gadget>
<output>14/25 = around 0.56</output>

<gadget id="calculator">(8/5) - (14/25)</gadget>
<output>26/25 = around 1.04</output>

<gadget id="calculator">4 + (26/25) + 10</gadget>
<output>376/25 = around 15.04</output>

<gadget id="calculator">100 - 10</gadget>
<output>90</output>

<gadget id="calculator">90 + 10</gadget>
<output>100</output>

<gadget id="calculator">(376/25) / 100</gadget>
<output>94/625 = around 0.1504</output>

<result>94/625 = around 0.1504</result>