Two people, A and B, set off from A and B at the same time and walk toward each other. After meeting, A continues to go forward and reaches B for 18 minutes, and B continues to go forward for 8 minutes to reach A. How many minutes have passed since the two started? meet?
甲、乙两人分别从A、B两地同时出发，相向而行，相遇后甲继续向前经过18分钟到达B地，乙继续向前经过8分钟到达A地，两人出发后经过多少分钟相遇？
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

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

<result>12</result>