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 distance from B, and the truck is 138 kilometers away from A. It is known that passenger cars travel more per hour than trucks. 15 kilometers, 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小时后客车距乙地还有全程的(1/8)，货车距甲地还有138千米，已知客车比货车每小时多行15千米，甲乙两地相距多少千米？
<gadget id="calculator">15 * 6</gadget>
<output>90</output>

<gadget id="calculator">138 - 90</gadget>
<output>48</output>

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

<gadget id="calculator">48 / (1/8)</gadget>
<output>384</output>

<result>384</result>