It takes 8 hours for A to complete a project alone, and 6 hours for B to complete it alone. Now that the two teams work together for 2 hours, team B will do the rest alone. How many hours will it take for team B to complete the task?
一项工程，甲独做要8小时完成，乙独做要6小时完成，现两队合做2小时后，剩下的由乙队独做，乙队再做几小时才能完成任务？
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">(1/8) + (1/6)</gadget>
<output>7/24 = around 0.291667</output>

<gadget id="calculator">(7/24) * 2</gadget>
<output>7/12 = around 0.583333</output>

<gadget id="calculator">1 - (7/12)</gadget>
<output>5/12 = around 0.416667</output>

<gadget id="calculator">(5/12) / (1/6)</gadget>
<output>5/2 = around 2.5</output>

<result>5/2 = around 2.5</result>