drives a car from A to B in 2 hours, and B rides a motorcycle from B to A in 3 hours. If B rides a motorcycle from B to A, A drives a car from A to B in 1 hour. , so how long does it take for A to meet B after departure?
甲驾驶汽车从A地到B地需2h，乙骑摩托车从B地到A地需3h，如果乙骑摩托车从B地出发前往A地，1h后甲驾驶汽车从A地出发前往B地，那么甲出发多长时间与乙相遇？
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<result>4/5 = around 0.8</result>