Two trains, A and B, depart from cities A and B in opposite directions at the same time. When the two trains meet, they continue to move forward. When train A travels the entire distance (4/5), train B travels exactly the entire distance (3/4). , The distance between the two cars is 352 kilometers. How many kilometers is the distance between the two cities A and B?
甲乙两列火车分别从A、B两城同时相向开出，当两车相遇后又继续前进，甲车行了全程的(4/5)时，乙车恰好行了全程的(3/4)，两车相距352千米，A、B两城相距多少千米？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1 - (4/5)</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">(3/4) - (1/5)</gadget>
<output>11/20 = around 0.55</output>

<gadget id="calculator">352 / (11/20)</gadget>
<output>640</output>

<result>640</result>