Find the number of cubes of side 4cm that can be kept in a cuboid with dimensions 80,30,40 cm

No. of Cubes = Volume of Cuboid/Volume of Cube
Volume of Cuboid = lbh = 80*30*40 = 96000 cm³
Volume of Cube = (side)³ = (4)³ = 64 cm³
No. of Cubes = 96000/64 = 24000/16 = 1500