Two cars, A and B, go from A to B at the same time. When car A has traveled (1/3) of the distance, car B is still 60 kilometers away from point B. Continue to drive at this speed, when car A arrives at point B, car B will complete the journey (6/7). How many kilometers are there between A and B?
甲、乙两车同时从A地开往B地．当甲车行完全程的(1/3)时，乙车离B地还有60千米．照这样的速度继续行驶，当甲车到达B地时，乙车行完全程的(6/7)．A、B两地相距多少千米？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">6 / 7</gadget>
<output>6/7 = around 0.857143</output>

<gadget id="calculator">(1/3) * (6/7)</gadget>
<output>2/7 = around 0.285714</output>

<gadget id="calculator">1 - (2/7)</gadget>
<output>5/7 = around 0.714286</output>

<gadget id="calculator">60 / (5/7)</gadget>
<output>84</output>

<result>84</result>