Two engineering teams jointly dig a tunnel. When team A has dug 150 meters, team B has dug more (1/6) than team A. At this time, the two teams have dug exactly 65% of the total length. How long is this tunnel in meters?
两个工程队合挖一条隧道，当甲队挖了150米时，乙队比甲队多挖了(1/6)，这时两个队正好挖了全长的65%．这条隧道全长多少米？
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 + (1/6)</gadget>
<output>7/6 = around 1.166667</output>

<gadget id="calculator">150 * (7/6)</gadget>
<output>175</output>

<gadget id="calculator">150 + 175</gadget>
<output>325</output>

<gadget id="calculator">65 / 100</gadget>
<output>13/20 = around 0.65</output>

<gadget id="calculator">325 / (13/20)</gadget>
<output>500</output>

<result>500</result>