Two cars leave oppositely from two stations at the same time. Car A travels 65 km per hour, and Car B travels 55 km per hour. After 2 hours, the distance between the two cars is 40 km. How many kilometers is the possible distance between the two stations?
两辆车同时从两个车站相对开出．甲车每小时行驶65km，乙车每小时行驶55km，经过2小时后，两车相距40km，两个车站可能相距多少千米？
<gadget id="calculator">120 * 2</gadget>
<output>240</output>

<gadget id="calculator">240 - 40</gadget>
<output>200</output>

<result>200</result>