An express train travels from station A to station B at 56.5 kilometers per hour. A slow train travels from station B to station A at the same time and travels 44.5 kilometers per hour. The two trains meet at a distance of 7.5 kilometers from the midpoint. Ask A and B The distance between two stations.
一列快车从甲站开往乙站，每小时行56.5千米，一列慢车同时从乙站开往甲站，每小时行44.5千米，两列火车在距离中点7.5千米处相遇，求甲乙两站间的距离．
<gadget id="calculator">56.5 + 44.5</gadget>
<output>101</output>

<gadget id="calculator">7.5 * 2</gadget>
<output>15</output>

<gadget id="calculator">56.5 - 44.5</gadget>
<output>12</output>

<gadget id="calculator">15 / 12</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">101 * (5/4)</gadget>
<output>505/4 = around 126.25</output>

<result>505/4 = around 126.25</result>