passenger car and a truck drive in opposite directions from the midpoint of A and B at the same time. After 5 hours, the bus passes 60 kilometers from A and the truck just arrives at B. It is known that the speed ratio of the truck to the passenger car is 5:7. Find How many kilometers are there between A and B?
客车和货车同时从甲、乙两地的中点向相反方向行驶，5小时后，客车超过甲地60千米，货车刚好到达乙地，已知货车与客车的速度比是5：7，求甲、乙两地相距多少千米？
<gadget id="calculator">7 - 5</gadget>
<output>2</output>

<gadget id="calculator">60 / 2</gadget>
<output>30</output>

<gadget id="calculator">30 * 5 * 2</gadget>
<output>300</output>

<result>300</result>