(∫_0^(2π))(∫_0^2)(∫_0^(4-(r^2)))r\[DifferentialD]z\[DifferentialD]r\[DifferentialD]θ

(∫_0^(2π))(∫_0^π)(∫_1^2)(((ρ Sin[ϕ]))^2)(ρ^2)Sin[ϕ]\[DifferentialD]ρ\[DifferentialD]ϕ\[DifferentialD]θ