The distance between the two ports is 758 kilometers. Two warships A and B depart from these two ports at the same time and head towards each other. Warship A travels 35 kilometers per hour, and warship B travels 37 kilometers per hour. It takes 1 hour to sail Afterwards, Ship A returned to the original port due to some accident, and immediately set sail and continued to sail opposite to Warship B. After how many hours did it take for Warship B to meet with Warship A?
两个港口之间的路程是758千米，甲乙两艘军舰同时从这两个港口出发，相向而行，甲军舰每小时行35千米，乙军舰每小时行37千米，开出1小时后，甲舰因有事返回原港，又立即启航与乙军舰继续相向开出，乙军舰经过几小时与甲军舰相遇？
<gadget id="calculator">37 * 2</gadget>
<output>74</output>

<gadget id="calculator">758 - 74</gadget>
<output>684</output>

<gadget id="calculator">35 + 37</gadget>
<output>72</output>

<gadget id="calculator">684 / 72</gadget>
<output>19/2 = around 9.5</output>

<gadget id="calculator">(19/2) + 2</gadget>
<output>23/2 = around 11.5</output>

<result>23/2 = around 11.5</result>