Cars A and B depart from places A and B at the same time, drive toward each other, and meet each other in 7 hours. It is known that the distance traveled by car A per hour is 24 kilometers less than that of car B, and the speed ratio of car A and car B is 7:9. How many miles is the distance between A and B?
甲、乙两车分别从A、B两地同时出发，相向而行，7小时相遇．已知甲车每小时行的路程比乙车少24千米，甲、乙两车的速度比是7：9．A、B两地的路程是多少千米？
<gadget id="calculator">1 / 7</gadget>
<output>1/7 = around 0.142857</output>

<gadget id="calculator">9 - 7</gadget>
<output>2</output>

<gadget id="calculator">7 + 9</gadget>
<output>16</output>

<gadget id="calculator">2 / 16</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">(1/7) * (1/8)</gadget>
<output>1/56 = around 0.017857</output>

<gadget id="calculator">24 / (1/56)</gadget>
<output>1_344</output>

<result>1_344</result>