Answer:
[tex]\sf \boxed{\sf volume=\frac{16}{9} \ ft^3}[/tex]
Explanation:
Cube volume: Length x Width x Height
Volume of the entire cuboid:
Length x Width x Height
(1/3 x 4) x (1/3 x 3) x (1/3 x 4)
4/3 x 1 x 4/3
16/9
Volume of the cuboid