Cars A and B are traveling towards each other from AB at the same time. Car A travels 15 kilometers at each branch, and Car B travels at 11 kilometers. The two cars meet at a distance of 20 kilometers from the midpoint. What is the distance in kilometers between A and B?
甲乙两车同时分别从AB两地相向而行，甲每分行15千米，乙车每分行11千米，在距离中点20千米处两车相遇．问A、B两地相距多少千米？
<gadget id="calculator">15 + 11</gadget>
<output>26</output>

<gadget id="calculator">40 / 4</gadget>
<output>10</output>

<gadget id="calculator">26 * 10</gadget>
<output>260</output>

<result>260</result>