Two cars leave at the same time from the midpoint of cities A and B in opposite directions. After 3 hours, the passenger car arrives at city A, and the truck is still 60 kilometers away from city B. The speed ratio between passenger and freight cars is 3:2 , What is the distance between A and B?
两车同时从甲、乙两城的中点处向相反方向开出，3小时后，客车到达甲城，货车离乙城还有60千米，客、货两车的速度比是3：2，求甲、乙两城距离是多少？
<gadget id="calculator">3 + 2 + 1</gadget>
<output>6</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">60 / (1/6)</gadget>
<output>360</output>

<result>360</result>