A circular path with a width of 3 meters is paved around a circular lawn with a diameter of 14 meters. What is the area of the path?
在一个直径为14米的圆形草地周围铺一条宽3米的环形小路，求这条小路的面积是多少？
<gadget id="calculator">14 / 2</gadget>
<output>7</output>

<gadget id="calculator">7 + 3</gadget>
<output>10</output>

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

<gadget id="calculator">7 ** 2</gadget>
<output>49</output>

<gadget id="calculator">100 - 49</gadget>
<output>51</output>

<gadget id="calculator">3.14 * 51</gadget>
<output>160.14</output>

<result>160.14</result>