The perimeter of a circular flower bed is 50.24m, of which the area of the rockery and the fountain accounts for (1/8) of the total area. What is the total area of the rockery and the fountain?
一个圆形花坛的周长是50.24m，其中假山和喷泉的面积占总面积的(1/8)．假山和喷泉的面积共有多大？
<gadget id="calculator">50.24 / 3.14 / 2</gadget>
<output>8</output>

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

<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">3.14 * 64 * (1/8)</gadget>
<output>25.12</output>

<result>25.12</result>