cube with an edge length of 11 cm is drilled in the center of each of its three adjacent faces with a hole of 3 cm in length and width, and the hole is cut through the cube. Now, how many square centimeters does this cube increase from the original?
一个棱长为11厘米的正方体，在它相邻的三个面中心各凿一个长宽各3厘米的洞，所凿的洞穿透这个正方体．现在，这个正方体比原来增加了多少平方厘米？
<gadget id="calculator">11 - 3</gadget>
<output>8</output>

<gadget id="calculator">8 / 2</gadget>
<output>4</output>

<gadget id="calculator">4 * 3 * 24</gadget>
<output>288</output>

<gadget id="calculator">3 * 3 * 6</gadget>
<output>54</output>

<gadget id="calculator">288 - 54</gadget>
<output>234</output>

<result>234</result>