There is a cube with a side length of 3 cm. A small cube with a side length of 1 cm is dug out from a vertex of the cube and glued to the center of the original cube. Calculate the surface area of the object.
有一个棱长是3厘米的正方体，从这个正方体的一个顶点处挖去一个棱长是1厘米的小正方体，将它粘在原来这个正方体上面的中央，求这个物体的表面积．
<gadget id="calculator">3 * 3 * 6</gadget>
<output>54</output>

<gadget id="calculator">1 * 1 * 4</gadget>
<output>4</output>

<gadget id="calculator">54 + 4</gadget>
<output>58</output>

<result>58</result>