bamboo pole is 1.5 meters above the water surface, the part in the mud accounts for 1/6 of the total length, and the part in the water is 0.5 meters longer than the part in the mud. How long is the bamboo pole in meters?
一根竹竿露出水面1.5米，泥中部分占全长的(1/6)，水中部分比泥中的部分多0.5米，这根竹竿长多少米？
<gadget id="calculator">1.5 + 0.5</gadget>
<output>2</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 - (1/6) - (1/6)</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">2 / (2/3)</gadget>
<output>3</output>

<result>3</result>