The fast and slow trains are traveling in opposite directions from A and B respectively. The express train travels 78 kilometers per hour, the slow train travels 58 kilometers per hour, and the two cars meet at a distance of 25 kilometers from the midpoint. Please answer: How many miles is the distance between A and B?
快、慢车分别从A、B两地同时相向而行．快车每小时行78千米，慢车每小时行58千米，两车离中点25千米相遇．请回答：A、B两地相距多少千米．
<gadget id="calculator">78 - 58</gadget>
<output>20</output>

<gadget id="calculator">2 / 20</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">78 + 58</gadget>
<output>136</output>

<gadget id="calculator">25 * (1/10) * 136</gadget>
<output>340</output>

<result>340</result>