Two cars depart from A and B at the same time. The passenger car travels 10 hours and the truck travels 40 kilometers per hour. When the two cars meet, the passenger car travels 3/5 of the entire distance. A and B are far apart. How many kilometers?
两辆车同时从甲乙两地相对开出，客车行完全路程要10小时，货车每小时行40千米，当两车相遇时，客车行了全路程的(3/5)，甲乙两地相距多少千米？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">10 * (3/5)</gadget>
<output>6</output>

<gadget id="calculator">1 - (3/5)</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">6 / (2/5)</gadget>
<output>15</output>

<gadget id="calculator">40 * 15</gadget>
<output>600</output>

<result>600</result>