After cutting a small cuboid with a volume of 9dm**3 from a cuboid, there is still a cube with an edge length of 3dm. What is the surface area of this cuboid?
从一个长方体截下一个体积是9dm**3的小长方体后，还剩下一个棱长是3dm的正方体，原来这个长方体的表面积是多少？
<gadget id="calculator">3 * 3</gadget>
<output>9</output>

<gadget id="calculator">9 / 9</gadget>
<output>1</output>

<gadget id="calculator">3 + 1</gadget>
<output>4</output>

<gadget id="calculator">3 * 4 * 4</gadget>
<output>48</output>

<gadget id="calculator">3 * 3 * 2</gadget>
<output>18</output>

<gadget id="calculator">48 + 18</gadget>
<output>66</output>

<result>66</result>