It takes 8 hours for a truck to travel from point A to point B, and 6 hours for a passenger car to travel from point B to point A. After the truck drives for an hour, the bus leaves. How many hours after the bus leaves, the two vehicles meet?
一辆货车从甲地到乙地需8小时，一辆客车从乙地到甲地需6小时，货车开了一小时后，客车出发，客车出发后多少小时两车相遇？
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">1 - (1/8)</gadget>
<output>7/8 = around 0.875</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">(7/8) / (7/24)</gadget>
<output>3</output>

<result>3</result>