Cars A and B start from cities A and B at the same time, travel toward each other, and meet at a distance of 25 kilometers from the midpoint. When they meet each other, the ratio of distance traveled by cars A and B is 6:5. How many kilometers are the distance between cities A and B?
甲、乙两车同时从A、B两城出发，相向而行，在距离中点25千米的地方相遇．相遇时，甲乙两车所行的路程比是6：5，A、B两城相距多少千米？
<gadget id="calculator">25 * 2</gadget>
<output>50</output>

<gadget id="calculator">6 + 5</gadget>
<output>11</output>

<gadget id="calculator">6 / 11</gadget>
<output>6/11 = around 0.545455</output>

<gadget id="calculator">5 / 11</gadget>
<output>5/11 = around 0.454545</output>

<gadget id="calculator">(6/11) - (5/11)</gadget>
<output>1/11 = around 0.090909</output>

<gadget id="calculator">50 / (1/11)</gadget>
<output>550</output>

<result>550</result>