A town built a canal. On the first day, half of the canal was built, which was more than 5 meters long. On the second day, the remaining half was more than 4 meters long. Finally, the remaining 6 meters were completed for the third time. How many meters is this canal?
某乡修水渠，第一天修了全长的一半多5米，第二天修了剩下的一半多4米，最后剩下的6米第三次全部修完，这条水渠多少米？
<gadget id="calculator">4 + 6</gadget>
<output>10</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">10 / (1/2)</gadget>
<output>20</output>

<gadget id="calculator">20 + 5</gadget>
<output>25</output>

<gadget id="calculator">25 / (1/2)</gadget>
<output>50</output>

<result>50</result>