Use cuboid wooden blocks with a length of 4 cm, a width of 2 cm, and a height of 1 cm to form a cube. At least how many such cuboid blocks are needed?
用长4厘米，宽2厘米，高1厘米的长方体木块拼成一个正方体，至少要多少个这样的长方体木块？
<gadget id="calculator">4 / 4</gadget>
<output>1</output>

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

<gadget id="calculator">4 / 1</gadget>
<output>4</output>

<gadget id="calculator">1 * 2 * 4</gadget>
<output>8</output>

<result>8</result>