Two students, A and B, start from two places 100 meters apart at the same time, run towards each other, and return immediately after running to another place. A runs 6.5 meters per second, and B runs 5.5 meters per second. The second time the two met after a few seconds?
甲、乙两名同学从相距100米的两地同时出发，相向而跑，当跑到另一地后立即返回，甲每秒跑6.5米，乙每秒跑5.5米．经过几秒钟后两人第二次相遇？
<gadget id="calculator">6.5 + 5.5</gadget>
<output>12</output>

<gadget id="calculator">300 / 12</gadget>
<output>25</output>

<result>25</result>