A cylinder with a base radius of 1 cm and a height of 1 cm is dug out from the center of the front, back, up and down, left and right sides of a cube with a side length of 4 cm. Calculate the surface area of the object after digging out.
在一个边长为4厘米的正方体的前后、上下、左右面的中心位置挖去一个底面半径为1厘米，高为1厘米的圆柱，求挖去后物体的表面积．
<gadget id="calculator">4 * 4 * 6</gadget>
<output>96</output>

<gadget id="calculator">3.14 * 1 * 2 * 1 * 6</gadget>
<output>37.68</output>

<gadget id="calculator">96 + 37.68</gadget>
<output>133.68</output>

<result>133.68</result>