Two trains are running towards each other from A and B at the same time. It takes 10 hours for a freight train to travel from A to B, which is 1/4 longer than the time required for a passenger car to travel from B to A. When the two trains meet, the passenger car 60 kilometers more than the truck, how many kilometers is the distance between A and B?
两列火车同时从甲、乙两地相向而行，货车从甲地开往乙地需要10小时，比客车从乙地开往甲地所需时间多(1/4)，两车相遇时客车比货车多行60千米，甲乙两地相距多少千米？
<gadget id="calculator">5 + 4</gadget>
<output>9</output>

<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>

<gadget id="calculator">4 / 9</gadget>
<output>4/9 = around 0.444444</output>

<gadget id="calculator">(5/9) - (4/9)</gadget>
<output>1/9 = around 0.111111</output>

<gadget id="calculator">60 / (1/9)</gadget>
<output>540</output>

<result>540</result>