The radius of the base of the cone is 3 cm and the volume is 28.26 cubic centimeters. What is the height of the cone in cm?
圆锥的底面半径是3cm，体积是28.26立方厘米，这个圆锥的高是多少cm．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">3 ** 2</gadget>
<output>9</output>

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

<gadget id="calculator">28.26 / (1/3) / 28.26</gadget>
<output>3</output>

<result>3</result>