A circular carousel site is to be built in the children's playground. The diameter of the carousel's rotation range is 10 meters, and a 1-meter-wide path should be left around, and railings should be fenced around the outside. What is the area of the site?
儿童乐园要修建一个圆形的旋转木马场地，木马的旋转范围的直径是10米，周围还要留出1米宽的小路，并在外侧围上栏杆，这块场地的占地面积是多少？
<gadget id="calculator">10 + 1 + 1</gadget>
<output>12</output>

<gadget id="calculator">12 / 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>