Mix 80 grams of 55% sugar water with 20 grams of 8% sugar water, pour out 10 grams of it, and add 10 grams of water. What is the concentration of the sugar solution now?
55%的糖水80克与8%的糖水20克混在一起，倒掉其中10克，再加入10克水，现在糖水溶液浓度是多少？
<gadget id="calculator">55 / 100</gadget>
<output>11/20 = around 0.55</output>

<gadget id="calculator">80 * (11/20)</gadget>
<output>44</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">44 + (8/5)</gadget>
<output>228/5 = around 45.6</output>

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

<gadget id="calculator">(228/5) / 100</gadget>
<output>57/125 = around 0.456</output>

<gadget id="calculator">10 * (57/125)</gadget>
<output>114/25 = around 4.56</output>

<gadget id="calculator">(8/5) - (114/25)</gadget>
<output>-74/25 = around -2.96</output>

<gadget id="calculator">44 + (-74/25)</gadget>
<output>1_026/25 = around 41.04</output>

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

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

<gadget id="calculator">(1_026/25) / 100</gadget>
<output>513/1_250 = around 0.4104</output>

<result>513/1_250 = around 0.4104</result>