A telegraph pole, the part buried in the ground is the full length (1/7). The part exposed to the ground is 5m longer than the part buried underground. How many meters is the total length of this utility pole?
一根电线杆，埋在地下的部分是全长的(1/7)．露出地面的部分比埋在地下的部分长5m，这根电线杆全长多少米？
<gadget id="calculator">1 / 7</gadget>
<output>1/7 = around 0.142857</output>

<gadget id="calculator">1 - (1/7) - (1/7)</gadget>
<output>5/7 = around 0.714286</output>

<gadget id="calculator">5 / (5/7)</gadget>
<output>7</output>

<result>7</result>