Paint the surface of a cuboid with a length of 6 cm, a width of 5 cm, and a height of 4 cm with red paint, and then cut the cuboid into small cubes with an edge length of 1 cm. How many small cubes are there that are not painted on any side? indivual.
将一个长6厘米，宽5厘米，高4厘米的长方体的表面刷上红漆，然后将这个长方体切割成棱长为1厘米的小正方体，则任何一面都没有被刷漆的小正方体有多少个．
<gadget id="calculator">6 - 2</gadget>
<output>4</output>

<gadget id="calculator">5 - 2</gadget>
<output>3</output>

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

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

<gadget id="calculator">2 / 1</gadget>
<output>2</output>

<gadget id="calculator">4 * 3 * 2</gadget>
<output>24</output>

<result>24</result>