Draw the largest sector in a square with a side length of 8 cm. What is the area of the sector in square centimeters?
在边长是8cm的正方形中画出一个最大的扇形，这个扇形的面积是多少平方厘米？
<gadget id="calculator">8 ** 2</gadget>
<output>64</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">3.14 * 64 * (1/4)</gadget>
<output>50.24</output>

<result>50.24</result>