314 students from a certain school participated in the summer camp. They lined up in two columns, with an average distance of 0.5m between the two students. If the team advances 25m per minute, Teacher Li advances 40m per minute. Immediately rush back to the end of the team, how many points did he share?
某校314名学生参加夏令营，他们排成两路纵队，前后两个同学平均相距0.5m，如果队伍每分钟前进25m，李老师每分钟前进40m，李老师从队尾送一面队旗到排头又立即赶回队尾，他共用了多少分？
<gadget id="calculator">40 - 25</gadget>
<output>15</output>

<gadget id="calculator">78 / 15</gadget>
<output>26/5 = around 5.2</output>

<gadget id="calculator">40 + 25</gadget>
<output>65</output>

<gadget id="calculator">78 / 65</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">(26/5) + (6/5)</gadget>
<output>32/5 = around 6.4</output>

<result>32/5 = around 6.4</result>