circular flower bed with a circumference of 50.24 meters is to be paved with a 2-meter-wide gravel road around it. What is the area of the gravel road in square meters?
一个周长是50.24米的圆形花坛，要在其周围铺设2米宽的石子路，这条石子路的面积是多少平方米？
<gadget id="calculator">50.24 / 3.14 / 2</gadget>
<output>8</output>

<gadget id="calculator">8 + 2</gadget>
<output>10</output>

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

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

<gadget id="calculator">100 - 64</gadget>
<output>36</output>

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

<result>113.04</result>