In a rectangular paper with a length of 9 cm and a width of 6 cm, cut out the largest circle, what is the area of the remaining part of the paper in square centimeters?
在一个长9厘米，宽6厘米的长方形纸中，剪下一个最大的圆，纸片剩下部分的面积是多少平方厘米？
<gadget id="calculator">9 * 6</gadget>
<output>54</output>

<gadget id="calculator">6 / 2</gadget>
<output>3</output>

<gadget id="calculator">3 ** 2</gadget>
<output>9</output>

<gadget id="calculator">3.14 * 9</gadget>
<output>28.26</output>

<gadget id="calculator">54 - 28.26</gadget>
<output>25.74</output>

<result>25.74</result>