A path 2 meters wide is laid beside a circular pool with a diameter of 12 meters. What is the area of the path in square meters?
在直径为12米的圆形水池边铺一条2米宽的小路，小路的面积是多少平方米．
<gadget id="calculator">12 / 2</gadget>
<output>6</output>

<gadget id="calculator">6 + 2</gadget>
<output>8</output>

<gadget id="calculator">8 ** 2</gadget>
<output>64</output>

<gadget id="calculator">3.14 * 64</gadget>
<output>200.96</output>

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

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

<gadget id="calculator">200.96 - 113.04</gadget>
<output>87.92</output>

<result>87.92</result>