Length = 8 cm, Breadth = 6 cm, Height = 2 cm.
The total surface area of the box
=2(lb+bh+hl)
=2[(8×6)+(6×2)+(2×8)]
=152cm2
The area of each stamp
=2×2cm2
=4cm2
Therefore, number of stamps required = (total surface area of gift box/area of one stamp) = 38