Cars A and B are traveling towards each other from places A and B at the same time. After 2 hours, the distance traveled by A (2/7) is 5 kilometers longer than the distance traveled by (1/5) by 8 kilometers. At this time The distance between the two cars is 73 kilometers, find the distance between A and B.
甲、乙两车同时从A、B两地相向而行，2小时后，甲行全程的(2/7)多5千米，乙行全程的(1/5)少8千米，此时两车还相距73千米，求A、B两地距离．
<gadget id="calculator">73 - 8</gadget>
<output>65</output>

<gadget id="calculator">65 + 5</gadget>
<output>70</output>

<gadget id="calculator">2 / 7</gadget>
<output>2/7 = around 0.285714</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (2/7) - (1/5)</gadget>
<output>18/35 = around 0.514286</output>

<gadget id="calculator">70 / (18/35)</gadget>
<output>1_225/9 = around 136.111111</output>

<result>1_225/9 = around 136.111111</result>