If a largest square with a side length of 8 cm is cut out from a circle, what is the remaining area in square centimeters?
在一个圆内剪下一个边长为8厘米的最大的正方形，剩下的面积是多少平方厘米．
<gadget id="calculator">3.14 * 32</gadget>
<output>100.48</output>

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

<gadget id="calculator">100.48 - 64</gadget>
<output>36.48</output>

<result>36.48</result>