A, B, and C are three stations on the same road. The distance from station B to stations A and C is equal. A and B start from stations A and C at the same time and walk towards each other. They met, and then the two continued to move forward. A went to station C and returned immediately. After passing station B for 600 meters, he caught up with B. Ask: How many meters is the distance between stations A and B?
A、B、C是一条路上的三个车站，B站到A、C两站的距离相等，甲和乙同时分别从A、C两站出发相向而行，甲经过B站200米时与乙相遇，然后两人又继续前进，甲走到C站立即返回，经过B站600米时又追上乙，问：A、B两站的距离是多少米？
<gadget id="calculator">200 + 600</gadget>
<output>800</output>

<gadget id="calculator">800 / 2</gadget>
<output>400</output>

<gadget id="calculator">400 + 200</gadget>
<output>600</output>

<gadget id="calculator">600 * 2</gadget>
<output>1_200</output>

<result>1_200</result>