Given:
Length of cuboid (l) = 60 cm
Breadth of cuboid (b) = 54 cm
Height of cuboid (h) = 30 m
We know that, volume of cuboid = l×b×h=60×54×30 cm2
And volume of cube = (side)3=6×6×6 cm3
∴Number of small cubes=Volume of cuboidVolume of cube=60×54×306×6×6=450
Hence, the number of required cubes are 450.