On the circular route, Xiao Ming starts from point A, and Xiao Qiang starts from point B at the same time, traveling in opposite directions. After 6 minutes, Xiao Ming and Xiao Qiang met, and after another 4 minutes, Xiao Ming arrived at point B. After another 8 minutes, I met Xiaoqiang again. Q: How many minutes does it take for Xiao Ming to go around for a week?
在圆形路线上，小明从A点，小强从B点同时出发，反向而行．6分钟后，小明和小强相遇，再过4分钟，小明到达B点．又再过8分钟，又与小强再次相遇．问：小明环行一周要多少分钟．
<gadget id="calculator">4 + 8</gadget>
<output>12</output>

<gadget id="calculator">12 / 6</gadget>
<output>2</output>

<gadget id="calculator">2 * 4</gadget>
<output>8</output>

<gadget id="calculator">12 + 8</gadget>
<output>20</output>

<result>20</result>