A cylinder with a base radius of 2dm and a side area of 113.04dm**2, what is the height of the cylinder.
一个圆柱底面半径2dm，侧面积是113.04dm**2，这个圆柱体的高是多少．
<gadget id="calculator">2 * 3.14 * 2</gadget>
<output>12.56</output>

<gadget id="calculator">113.04 / 12.56</gadget>
<output>9</output>

<result>9</result>