Two cars, A and B, are driving towards each other from A and B at the same time. When A is still 1/8 of the way from B, B is exactly 54 kilometers beyond the midpoint. At this time, A travels 90 kilometers further than B. How many kilometers are there between A and B?
甲、乙两辆汽车分别从A、B两地同时相对而行，当甲离B地还有全程的(1/8)，乙正好超过中点54千米．这时甲比乙多行90千米．A、B两地相距多少千米？
<gadget id="calculator">8 / 3</gadget>
<output>8/3 = around 2.666667</output>

<gadget id="calculator">135 * (8/3)</gadget>
<output>360</output>

<result>360</result>