There is a round dining table in Xiaobing’s house. The perimeter of the dining table is 37.68 decimeters. What is the area of the dining table in square decimeters?
小冰家里的一张圆形的饭桌，饭桌面的周长是37.68分米，饭桌面的面积是多少平方分米．
<gadget id="calculator">37.68 / 3.14 / 2</gadget>
<output>6</output>

<gadget id="calculator">6 ** 2</gadget>
<output>36</output>

<gadget id="calculator">3.14 * 36</gadget>
<output>113.04</output>

<result>113.04</result>