Buoyancy.. How tall must the sides of this boat be in order for it to float?

Question

The bottom of a steel "boat" is a 2 m x 18 m x 2 cm piece of steel (density of steel = 7900 kg/m3). The sides are made of 0.60 cm thick steel. What minimum height must the sides have for this boat to float in perfectly calm water?

(density of water =1000kg/m^3)

Answer 1

Over 9000 - now go kill yourself.