Cut a cuboid iron block whose length, width, and height are 30 cm, 18 cm, and 12 cm respectively, and cut it into cubes of the same size without leaving any residue. How many pieces can it be cut into at least?
把一根长、宽、高分别是30厘米、18厘米、12厘米的长方体铁块，截成大小一样的正方体铁块而没有剩余，最少可以截成多少块．
<gadget id="calculator">30 * 18 * 12</gadget>
<output>6_480</output>

<gadget id="calculator">2 * 3 * 2 * 3 * 2 * 3</gadget>
<output>216</output>

<gadget id="calculator">6_480 / 216</gadget>
<output>30</output>

<result>30</result>