In order to welcome the arrival of new students, Red Star School plans to build a path with a width of 1 meter around the circular flower branch with a diameter of 6 meters. Please calculate the area of this path. (pi 3.14)
红星学校为了迎接新生的到来，计划围绕着直径为6米的圆形花支的外边修一条宽为l米的小路，请你计算这条小路的面积．(圆周率3.14)
<gadget id="calculator">6 / 2</gadget>
<output>3</output>

<gadget id="calculator">3 + 1</gadget>
<output>4</output>

<gadget id="calculator">4 ** 2</gadget>
<output>16</output>

<gadget id="calculator">3.14 * 16</gadget>
<output>50.24</output>

<gadget id="calculator">3 ** 2</gadget>
<output>9</output>

<gadget id="calculator">3.14 * 9</gadget>
<output>28.26</output>

<gadget id="calculator">50.24 - 28.26</gadget>
<output>21.98</output>

<result>21.98</result>