project can be completed by Team A in 2 days alone (5/12). If Team A and B cooperate in 3 days, it will be overcompleted (1/8). How much will it take for Team B to do this project alone? days done?
一项工程，甲队独做2天可以完成它的(5/12)，如果由甲乙两队合作3天，就会超额完成(1/8)，那么这项工程由乙队独做需多少天完成？
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">1 + (1/8)</gadget>
<output>9/8 = around 1.125</output>

<gadget id="calculator">(9/8) / 3</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">5 / 12</gadget>
<output>5/12 = around 0.416667</output>

<gadget id="calculator">(5/12) / 2</gadget>
<output>5/24 = around 0.208333</output>

<gadget id="calculator">(3/8) - (5/24)</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 / (1/6)</gadget>
<output>6</output>

<result>6</result>