The lateral area of a cylinder is 75.36 square decimeters, and its height is 4 decimeters, so what is the area of its lower base in square decimeters
一个圆柱体的侧面积是75.36平方分米，它的高是4分米，那么它的下底面积是多少平方分米
<gadget id="calculator">75.36 / 4</gadget>
<output>18.84</output>

<gadget id="calculator">2 * 3.14</gadget>
<output>6.28</output>

<gadget id="calculator">18.84 / 6.28</gadget>
<output>3</output>

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

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

<result>28.26</result>