A passenger car travels from A to B, and a truck travels from B to A. The two vehicles drive in opposite directions at the same time and meet each other in 12 hours. After the meeting, the bus traveled for another 8 hours to reach B. After the encounter, how many hours will it take for the truck to reach place A?
客车从甲地开往乙地，货车从乙地开往甲地，两车同时相向开出，12小时相遇．相遇后，客车又行了8小时到达乙地．相遇后，货车再行几小时到达甲地？
<gadget id="calculator">8 / 12</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">12 / (2/3)</gadget>
<output>18</output>

<gadget id="calculator">18 - 8</gadget>
<output>10</output>

<result>10</result>