Cars A and B start from A and B at the same time, travel towards each other, and meet at a distance of 60km from the midpoint. It is known that the speed ratio of car A and car B is 3:5, what is the distance between A and B?
甲、乙两车同时从A，B两地出发，相向而行，在距离中点60km的地方相遇．已知甲车与乙车的速度比为3：5，求A，B两地之间的距离？
<gadget id="calculator">5 - 3</gadget>
<output>2</output>

<gadget id="calculator">2 / 2</gadget>
<output>1</output>

<gadget id="calculator">3 + 5</gadget>
<output>8</output>

<gadget id="calculator">60 * 1 * 8</gadget>
<output>480</output>

<result>480</result>