How many cuboid blocks are needed to form the largest cube by stacking cuboid blocks with a length of 5 cm, a width of 4 cm, and a height of 3 cm?
用长5厘米、宽4厘米、高3厘米的长方体木块叠成一个最大的正方体，至少需要多少个这样的长方体木块．
<gadget id="calculator">60 / 5</gadget>
<output>12</output>

<gadget id="calculator">60 / 4</gadget>
<output>15</output>

<gadget id="calculator">60 / 3</gadget>
<output>20</output>

<gadget id="calculator">12 * 15 * 20</gadget>
<output>3_600</output>

<result>3_600</result>