A project is to be done alone. A needs 10 days to complete, and B takes 12 days to complete. At the beginning, the two work together. Because of work needs, A is transferred halfway, and B and B take 8 days to complete. How many days did Team A transfer away?
一项工程，单独做，甲要10天完成，乙要12天完成，开始二人一起干，因工作需要甲中途调走，结果乙一共用了8天完成．甲队中途调走了几天？
<gadget id="calculator">1 / 12</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">(1/12) * 8</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">1 - (2/3)</gadget>
<output>1/3 = around 0.333333</output>

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

<gadget id="calculator">(1/3) / (1/10)</gadget>
<output>10/3 = around 3.333333</output>

<gadget id="calculator">8 - (10/3)</gadget>
<output>14/3 = around 4.666667</output>

<result>14/3 = around 4.666667</result>