There is a street garden with a radius of 10 meters. Now the worker uncle wants to build a path with a width of 2 meters around it. What is the area of this path?
有一个街心花园，半径为10米，现在工人叔叔要围绕它修一条宽2米的小路，这条小路的面积是多少？
<gadget id="calculator">10 + 2</gadget>
<output>12</output>

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

<gadget id="calculator">10 ** 2</gadget>
<output>100</output>

<gadget id="calculator">144 - 100</gadget>
<output>44</output>

<gadget id="calculator">3.14 * 44</gadget>
<output>138.16</output>

<result>138.16</result>