Cars A and B leave opposite places A and B at the same time. The first meeting is 90 kilometers away from station A, and then they continue to drive, and return immediately after arriving at the starting point of the other party. The total length of the two stations B is (13/20), how many kilometers are the distance between the two stations A and B?
甲、乙两车同时从A、B两地相对开出，第一次相遇离A站有90千米，然后继续行驶，分别抵达对方出发点后立即返回，第二次在离A站距离A、B两站全长的(13/20)，A、B两站相距多少千米？
<gadget id="calculator">90 * 3</gadget>
<output>270</output>

<gadget id="calculator">13 / 20</gadget>
<output>13/20 = around 0.65</output>

<gadget id="calculator">1 - (13/20)</gadget>
<output>7/20 = around 0.35</output>

<gadget id="calculator">(7/20) + 1</gadget>
<output>27/20 = around 1.35</output>

<gadget id="calculator">270 / (27/20)</gadget>
<output>200</output>

<result>200</result>