A cylinder and a cone have the same base and height, and the sum of their volumes is 50.24 cubic decimeters. If the radius of the base of the cone is 2 decimeters, how many decimeters is the height of the cone?
一个圆柱和一个圆锥等底等高，它们的体积和是50.24立方分米，如果圆锥的底面半径是2分米，这个圆锥的高是多少分米？
<gadget id="calculator">2 ** 2</gadget>
<output>4</output>

<gadget id="calculator">3.14 * 4</gadget>
<output>12.56</output>

<gadget id="calculator">3 / 12.56</gadget>
<output>0.238854</output>

<gadget id="calculator">12.56 * 0.238854</gadget>
<output>3.000006</output>

<result>3.000006</result>