passenger car and a truck depart from places A and B at the same time and drive toward each other. The speed of the bus at departure is 150% of that of the truck. After the encounter, the speed of the passenger car is reduced by 20%, and the speed of the truck is increased by 30%. In this way, when the bus arrives at B, the truck is still 30 kilometers away from A. How many kilometers are there between A and B?
客车和货车从甲、乙两地同时出发，相向而行．出发时客车的速度是货车的150%．相遇后，客车的速度减少20%，货车的速度提高30%．这样当客车到达乙地时，货车离甲地还有30千米．甲、乙两地相距多少千米？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">24 / 65</gadget>
<output>24/65 = around 0.369231</output>

<gadget id="calculator">(2/5) - (24/65)</gadget>
<output>2/65 = around 0.030769</output>

<gadget id="calculator">10 / (2/65)</gadget>
<output>325</output>

<result>325</result>