Trains A and B depart from stations A and B in opposite directions at the same time. It is known that the ratio of the speed of train A to that of train B is 3:2. Station C is between A and B. Trains A and B arrive at station C. The times are 5:00 am and 3:00 pm respectively. When do cars A and B meet?
甲、乙两列车分别从A、B两站同时相向开出，已知甲车速度与乙车速度的比为3：2，C站在A、B之间，甲、乙两列车到达C站的时间分别是上午5时和下午3时，甲、乙两车几点相遇？
<gadget id="calculator">3 + 2</gadget>
<output>5</output>

<gadget id="calculator">5 / 2</gadget>
<output>5/2 = around 2.5</output>

<gadget id="calculator">10 / (5/2)</gadget>
<output>4</output>

<result>4</result>