Use cuboids with a length of 4 cm, a width of 3 cm, and a height of 2 cm to assemble a solid cube, at least how many such cuboids are needed.
用长为4厘米，宽为3厘米，高为2厘米的长方体来拼一个实心的正方体，至少需要多少个这样的长方体．
<gadget id="calculator">12 / 4</gadget>
<output>3</output>

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

<gadget id="calculator">12 / 2</gadget>
<output>6</output>

<gadget id="calculator">3 * 4 * 6</gadget>
<output>72</output>

<result>72</result>