A cylinder has a lateral area of 9.42m**2 and a volume of 18.84m**3, what is the area of its base?
一个圆柱体的侧面积是9.42m**2，体积为18.84m**3，其底面积是多少？
<gadget id="calculator">18.84 / 9.42</gadget>
<output>2</output>

<gadget id="calculator">2 * 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>