Calcule a integral tripla de

Calcule a integral tripla de $f(x, y, z)=z-1$ no conjunto $B:(x-1)^{2}+\frac{y^{2}}{2}+(z-1)^{2} \leq 1$ e $z \geq \sqrt{(x-1)^{2}+\frac{y^{2}}{2}}+1$