The bus departs from station A, and the truck departs from station B. After 5 hours of relative departure, the bus is still 1/6 of the distance from point B, and the truck is still 140 kilometers away from point A. It is known that passenger cars are more than trucks per hour Travel 12 kilometers, find the distance between A and B.
客车从甲站，货车从乙站，同时相对开出5小时后，客车距乙地还有全程的(1/6)，货车距甲地还有140千米，已知客车每小时比货车多行12千米，求甲乙两地的距离．
<gadget id="calculator">12 * 5</gadget>
<output>60</output>

<gadget id="calculator">140 - 60</gadget>
<output>80</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">80 / (1/6)</gadget>
<output>480</output>

<result>480</result>