A cylinder is 9 decimeters high and has a lateral area of 226.08 decimeters. What is the area of its base?
一个圆柱高9分米，侧面积226.08平方分米，它的底面积是多少平方分米？
<gadget id="calculator">226.08 / 9 / 3.14 / 2</gadget>
<output>4</output>

<gadget id="calculator">4 ** 2</gadget>
<output>16</output>

<gadget id="calculator">3.14 * 16</gadget>
<output>50.24</output>

<result>50.24</result>