The passenger car departs from A and the truck departs from B at the same time. After 6 hours, the bus is still 1/8 of the way from point B, and the truck is 54 kilometers away from the midpoint. It is known that a passenger car travels 15 kilometers more per hour than a truck, how many kilometers is the distance between A and B?
客车从甲地，货车从乙地同时相对开出．6小时后，客车距离乙地还有全程的(1/8)，货车超过中点54千米．已知客车比货车每小时多行15千米，甲乙两地间的路程是多少千米？
<gadget id="calculator">15 * 6</gadget>
<output>90</output>

<gadget id="calculator">90 + 54</gadget>
<output>144</output>

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

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 - (1/8) - (1/2)</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">144 / (3/8)</gadget>
<output>384</output>

<result>384</result>