A rectangular water tank with a length of 6.28 decimeters, a width of 6 decimeters, and a height of 9 decimeters is filled with water. After putting it into a cone with a base radius of 3 decimeters, the water overflows by 1\\6. Find the height of the cone ?
一个长6.28分米，宽6分米，高9分米的长方形水槽并已装满水，放进一个底面半径为3分米锥体后，水漫出了1\\6，求圆锥的高？
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">3.14 * 9</gadget>
<output>28.26</output>

<gadget id="calculator">3 / 28.26</gadget>
<output>0.106157</output>

<gadget id="calculator">37.68 * 9 * (1/6) * 0.106157</gadget>
<output>5.999994</output>

<result>5.999994</result>