In a glass tank with a length of 40 cm, a width of 20 cm, and a height of 15 cm, put some cube cartons with a side length of 6 cm. How many can be loaded at most (not beyond the surface of the tank)?
在一个长40厘米、宽20厘米、高15厘米的玻璃缸中，放一些棱长为6厘米的正方体纸盒，最多能装多少个(不可超出缸面)？
<gadget id="calculator">6 * 3 * 2</gadget>
<output>36</output>

<result>36</result>