The passenger car and the truck depart from two stations A and B at the same time. After meeting, the two cars continue to move forward at the same speed. When the distance between them is 196 kilometers, the passenger car has traveled 80% of the whole journey. The ratio is 3:2. Find the distance between stations A and B.
客车和货车分别从A、B两站同时相向开出，相遇后两车仍按原速度前进当它们相距196千米时，客车行了全程的80%，货车已行的路程与未行的路比是3：2．求A、B两站间的路程．
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1 - (4/5)</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">3 + 2</gadget>
<output>5</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

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

<gadget id="calculator">196 / (2/5)</gadget>
<output>490</output>

<result>490</result>