Two cars A and B leave opposite sides at the same time from cities A and B. Car A travels 45 kilometers per hour, and car B travels 52 kilometers per hour. The two cars meet at a distance of 14 kilometers from the midpoint. How many miles is the distance between AB and AB?
甲乙两车同时从A、B两城相向开出，甲车每小时行45千米，乙车每小时行52千米，两车在距离中点14千米处相遇．AB两城相距多少千米．
<gadget id="calculator">52 + 45</gadget>
<output>97</output>

<gadget id="calculator">52 - 45</gadget>
<output>7</output>

<gadget id="calculator">2 / 7</gadget>
<output>2/7 = around 0.285714</output>

<gadget id="calculator">14 * (2/7)</gadget>
<output>4</output>

<gadget id="calculator">97 * 4</gadget>
<output>388</output>

<result>388</result>