Two people, A and B, are running on the ring road. They run with their backs at the same time and on the same ground. It is known that A takes 16 minutes to run a lap. The two meet after 12 minutes. After meeting, A runs in the opposite direction with B. Minutes to meet.
甲乙两人在环形公路上跑步，两人同时同地的背向而跑，已知甲跑一圈要16分钟，两人出发12分钟后相遇，相遇后甲反方向同乙跑，再过多少分钟相遇．
<gadget id="calculator">1 / 16</gadget>
<output>1/16 = around 0.0625</output>

<gadget id="calculator">1 / 12</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">(1/12) - (1/16)</gadget>
<output>1/48 = around 0.020833</output>

<gadget id="calculator">(1/16) - (1/48)</gadget>
<output>1/24 = around 0.041667</output>

<gadget id="calculator">1 / (1/24)</gadget>
<output>24</output>

<result>24</result>