Station A drives an express train to Station B at a speed of 65.5 km/h. After one hour, another slow train departs from Station A at a speed of 58.5 km/h. When the express train arrives at station B, the local train is still 111 kilometers away from station B. How many kilometers are the two stations A and B?
甲站向乙站开出一辆快车，速度是65.5千米/时，过了1小时后，又从甲站开出一辆慢车，速度是58.5千米/时．当快车到达乙站时，慢车离乙站还有111千米．甲乙两站相距多少千米？
<gadget id="calculator">111 * 65.5</gadget>
<output>7_270.5</output>

<gadget id="calculator">65.5 * 58.5</gadget>
<output>3_831.75</output>

<gadget id="calculator">7_270.5 - 3_831.75</gadget>
<output>3_438.75</output>

<gadget id="calculator">65.5 - 58.5</gadget>
<output>7</output>

<gadget id="calculator">3_438.75 / 7</gadget>
<output>491.25</output>

<result>491.25</result>