cube with a side length of 6 decimeters, if a square through hole with a side length of 2 decimeters is dug in the center of its upper and lower faces, what is the volume of the cube after being dug out?
一个边长为6分米的正方体木块，如果在它的上、下两个面中心挖出一个边长为2分米的正方形贯通洞，那么挖去后的正方体的体积是多少？
<gadget id="calculator">6 * 6 * 6</gadget>
<output>216</output>

<gadget id="calculator">2 * 2 * 6</gadget>
<output>24</output>

<gadget id="calculator">216 - 24</gadget>
<output>192</output>

<result>192</result>