Two buses go towards each other from Station A and Station B at the same time. After meeting each other, they continue to move forward and return immediately when they arrive at the opposite station. The first time they met, they were 180 kilometers away from Station A, and the second time they met, they were 175 kilometers away from Station B. How many kilometers are the distance between the two stations?
两辆大巴同时从甲、乙两站相向而行，相遇后继续前进各自到达对方车站马上返回，它们第一次相遇离甲站180千米，第二次相遇离乙站175千米，甲、乙两站相距多少千米．
<gadget id="calculator">180 * 3</gadget>
<output>540</output>

<gadget id="calculator">540 - 175</gadget>
<output>365</output>

<result>365</result>