At the 8 vertices of a cuboid whose length, width, and height are 5 cm, 4 cm, and 3 cm respectively, cut off a cube with a side length of 1 cm. What is the surface area of the remaining object in square centimeters?
在一个长、宽、高分别是5厘米、4厘米、3厘米的长方体的8个顶点处，分别截下一个棱长为1厘米的正方体后，剩下物体的表面积是多少平方厘米．
<gadget id="calculator">5 * 4</gadget>
<output>20</output>

<gadget id="calculator">5 * 3</gadget>
<output>15</output>

<gadget id="calculator">4 * 3</gadget>
<output>12</output>

<gadget id="calculator">20 + 15 + 12</gadget>
<output>47</output>

<gadget id="calculator">47 * 2</gadget>
<output>94</output>

<result>94</result>