The express train and the slow train leave from A and B respectively at the same time, and they meet each other after 5 hours. It is known that the slow train takes 12.5 hours to travel from B to A, the slow train stops at A for 1 hour and then returns, and the express train stops at B for 1.5 hours. Returning in an hour, how long does it take for the two cars to meet from the first encounter to the second encounter?
快车与慢车分别从甲乙两地同时开出，相向而行，经过5小时相遇，已知慢车从乙地到甲地用12.5小时，慢车到甲地停1小时后返回，快车到乙地停1.5小时返回，问两车从第一次相遇到第二次相遇共需多长时间？
<gadget id="calculator">1 / 12.5</gadget>
<output>0.08</output>

<gadget id="calculator">0.08 * 0.5</gadget>
<output>0.04</output>

<gadget id="calculator">2 - 0.04</gadget>
<output>1.96</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1.96 / (1/5)</gadget>
<output>9.8</output>

<gadget id="calculator">9.8 + 1</gadget>
<output>10.8</output>

<result>10.8</result>