The Hall of Prayer for Good Harvest in Beijing Temple of Heaven Park is a circular hall with a circumference of about 75.36 meters at the bottom. How many square meters does it cover?
北京天坛公园的祈年殿是圆形大殿，底部的周长约是75.36米，它的占地面积是多少平方米？
<gadget id="calculator">75.36 / 3.14 / 2</gadget>
<output>12</output>

<gadget id="calculator">12 ** 2</gadget>
<output>144</output>

<gadget id="calculator">3.14 * 144</gadget>
<output>452.16</output>

<result>452.16</result>