Two cars A and B drive from A to B at the same time, and B arrives in 6 hours. A is 8 kilometers slower than B per hour, so it arrives one hour later than B. How many miles is the distance between A and B?
甲、乙两车同时从A地开往B地，乙车6小时达到，甲车每小时比乙车慢8千米，因此比乙车迟到一小时达到．A、B两地间的路程是多少千米？
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 / 7</gadget>
<output>1/7 = around 0.142857</output>

<gadget id="calculator">(1/6) - (1/7)</gadget>
<output>1/42 = around 0.02381</output>

<gadget id="calculator">8 / (1/42)</gadget>
<output>336</output>

<result>336</result>