I.11.15 Triple integrals

Condition: Calculate the triple integral: \[ \iiiint_{(V)}(15 x+30 z) d x d y d z \] where \( V=\left\{\begin{array}{ll}z=x^{2}+3, & z=0 \\ y=x, \quad y=0, & x=1\end{array}\right. \).