The distance between Suining and Shaoyang is 180 kilometers. Two cars, A and B, drive from Suining and Shaoyang at the same time. Car A travels 58 kilometers per hour, and car B travels 50 kilometers per hour. Cars A and B continue to move forward after meeting for the first time. After arriving at Shaoyang and Suining respectively, they immediately return on the same road. How many hours did the two cars travel from the departure to the second meeting?
绥宁与邵阳相距180千米，现甲、乙两辆汽车同时从绥宁、邵阳两地相对开出，甲车每小时行58千米，乙车每小时行50千米．甲、乙两车第一次相遇后继续前行，分别到达邵阳、绥宁两地后，立即按原路返回，两车从出发到第二次相遇行了多少小时？
<gadget id="calculator">58 + 50</gadget>
<output>108</output>

<gadget id="calculator">3 / 108</gadget>
<output>1/36 = around 0.027778</output>

<gadget id="calculator">180 * (1/36)</gadget>
<output>5</output>

<result>5</result>