Add a cover to a large pot with a diameter of 0.45 meters. If the diameter of the cover is 0.05 meters larger than the diameter of the pot, what is the area of the cover in square meters?
在直径为0.45米的大锅上加做盖子，如果盖子的直径比锅子的直径大0.05米，那么做的盖子的面积为多少平方米？
<gadget id="calculator">0.45 + 0.05</gadget>
<output>0.5</output>

<gadget id="calculator">0.5 / 2</gadget>
<output>0.25</output>

<gadget id="calculator">0.25 ** 2</gadget>
<output>0.0625</output>

<gadget id="calculator">3.14 * 0.0625</gadget>
<output>0.19625</output>

<result>0.19625</result>