A piece of rectangular paper is 12 cm long and 8 cm wide. Cut the largest circle out of this rectangular paper. What is the area of this circle in square centimeters?
一张长方形的纸长12厘米，宽8厘米，在这张长方形的纸中剪一个最大的圆，这个圆的面积是多少平方厘米
<gadget id="calculator">8 / 2</gadget>
<output>4</output>

<gadget id="calculator">4 ** 2</gadget>
<output>16</output>

<gadget id="calculator">3.14 * 16</gadget>
<output>50.24</output>

<result>50.24</result>