Read the following passage and solve the questions based on it.
(i) The length, breadth and height of a rectangular piece of wood are 4 cm, 3 cm and 5 cm respectively.
(ii) Opposite sides of the 5 cm 4 cm piece are coloured red.
(iii) Opposite sides of the 4 cm 3 cm piece are coloured blue.
(iv) Rest of the sides of size 5 cm 3 cm are colourued green on both sides.
(v) Now the rectangular piece is cut in such a way so that cubes of size 1 cm 1 cm 1 cm can be made.
How many cubes will not have any colour?