A cube is formed by stacking several cuboid wooden blocks whose length, width, and height are 4 cm, 3 cm, and 2 cm respectively. At least how many such blocks are needed.
用若干块长、宽、高分别为4厘米、3厘米、2厘米的长方体木块叠放成一个正方体，至少需要这样的木块多少块．
<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>