(1 point) Evaluate the line integral below over the path $c(t)=\left\langle t^2, \sin \left(\frac{\pi t}{4}\right), e^{-3 t+4}\right\rangle$ over the interval $0 \leq t \leq 6$.
$
\int_C 2 x y z d x+x^2 z d y+x^2 y d z=
$