A pile of sand can be transported in 6 hours with a large truck, and 8 hours with a small truck. Now how many hours will it take to transport (1/3) of this pile of sand with two trucks?
一堆沙子，用大车6小时可以运完，用小车8小时可以运完，现在两车合运这堆沙子的(1/3)，需要多少小时？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<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">(1/3) / (7/24)</gadget>
<output>8/7 = around 1.142857</output>

<result>8/7 = around 1.142857</result>