There is a batch of goods, it takes 6 hours for car A and 8 hours for car B. Now, after the two vehicles have been transported for 2 hours at the same time, how many hours will it take for the second vehicle to transport it alone?
有一批货物，甲车需要6小时运完，乙车需要8小时运完．现在两车同时运2小时后，由乙车单独来运，还需要多少小时？
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">(1/6) + (1/8)</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) / (1/8)</gadget>
<output>10/3 = around 3.333333</output>

<result>10/3 = around 3.333333</result>