Two passenger and freight vehicles drive from A to B at the same time. When the passenger vehicle travels the entire distance (4/5), the truck travels the entire distance (2/3). It is known that the bus arrives at B 1.2 hours earlier than the truck. How many hours did it take the truck to drive from A to B?
客货两车同时从甲地开往乙地，当客车行了全程的(4/5)时，货车才行了全程的(2/3)．已知客车比货车早1.2小时到达乙地．货车从甲地开到乙地用了多少小时？
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">6 - 5</gadget>
<output>1</output>

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

<gadget id="calculator">(4/5) / (2/3) / (1/6)</gadget>
<output>36/5 = around 7.2</output>

<result>36/5 = around 7.2</result>