The passenger car and the truck depart from A and B at the same time. The passenger car travels 60 kilometers per hour, and the truck travels (1/10) of the whole journey per hour. When the truck travels to the full distance (2/5), the bus has already traveled The whole process (4/5). How many miles is the distance between AB and AB?
客车货车同时从A地、B地相对开出，客车每小时行60千米，货车每小时行全程的(1/10)，当货车行到全程的(2/5)时，客车已行了全程的(4/5)．AB两地间的路程是多少千米？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">(2/5) / (4/5)</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">(1/2) / (1/10)</gadget>
<output>5</output>

<gadget id="calculator">60 * 5</gadget>
<output>300</output>

<result>300</result>