Cars A and B leave oppositely from stations A and B at the same time, and meet at a distance of 7.5km from the midpoint. It is known that the speed of car B is (5/8) that of car A, how many kilometers are the distance between the two stations?
甲乙两车同时从A、B两站相对开出，在距离中点7.5km处相遇．已知乙车速度是甲车的(5/8)，两站相距多少km？
<gadget id="calculator">8 - 5</gadget>
<output>3</output>

<gadget id="calculator">8 + 5</gadget>
<output>13</output>

<gadget id="calculator">3 / 13</gadget>
<output>3/13 = around 0.230769</output>

<gadget id="calculator">2 / (3/13)</gadget>
<output>26/3 = around 8.666667</output>

<gadget id="calculator">7.5 * (26/3)</gadget>
<output>65</output>

<result>65</result>