In a cube with a base area of 225 square decimeters, dig out the largest cylinder on the opposite sides, and then paint the surface of the remaining part. How many square decimeters is the painted area?
在一个底面积为225平方分米的正方体木块中，以相对的两面挖出一个最大的圆柱，然后在剩余的部分的表面涂上油漆，涂油漆的面积是多少平方分米？
<gadget id="calculator">225 * 6</gadget>
<output>1_350</output>

<gadget id="calculator">15 / 2</gadget>
<output>15/2 = around 7.5</output>

<gadget id="calculator">(15/2) ** 2</gadget>
<output>225/4 = around 56.25</output>

<gadget id="calculator">3.14 * (225/4) * 2</gadget>
<output>353.25</output>

<gadget id="calculator">1_350 - 353.25</gadget>
<output>996.75</output>

<result>996.75</result>