Cut a square with an area of 8 square centimeters into the largest sector, what is the area of this sector in square centimeters? (π takes 3.14)
把一个面积为8平方厘米的正方形剪成一个最大的扇形，这个扇形的面积是多少平方厘米．(π取3.14)
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(1/4) * 3.14 * 8</gadget>
<output>6.28</output>

<result>6.28</result>