Two cars, A and B, leave oppositely from places A and B at the same time. If the speed of car A is 125% of that of car B, after the two cars meet, car B will drive for 20 hours to reach place A. The two cars drive at the same time and pass by Meet at q hours?
A、B两辆轿车同时从甲、乙两地相对开出，A车如速度是B车如125%，两车相遇后，B车行驶加20小时到达甲地，两车同时开出经过多q小时相遇？
<gadget id="calculator">125 / 100</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">20 / (5/4)</gadget>
<output>16</output>

<result>16</result>