The car departs from City A and the large truck departs from City B at the same time. After 6 hours, the car is still 1/8 of the distance from City B, and the large truck is 60 kilometers away from the midpoint. It is known that the car travels 20 kilometers per hour, how many kilometers is the distance between A and B?
小汽车从甲城，大卡车从乙城同时相对开出，6小时后，小汽车距乙城还有全程的(1/8)，大卡车超过中点60千米．已知小汽车每小时多行20千米，甲、乙两城间的路程是多少千米？
<gadget id="calculator">60 / 6</gadget>
<output>10</output>

<gadget id="calculator">10 + 20</gadget>
<output>30</output>

<gadget id="calculator">7 / 8</gadget>
<output>7/8 = around 0.875</output>

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

<gadget id="calculator">(7/8) * (1/6)</gadget>
<output>7/48 = around 0.145833</output>

<gadget id="calculator">0.5 / 6</gadget>
<output>0.083333</output>

<gadget id="calculator">(7/48) - 0.083333</gadget>
<output>0.0625</output>

<gadget id="calculator">30 / 0.0625</gadget>
<output>480</output>

<result>480</result>