Evaluate the iterated integral. integrate integrate $($x $^5*$ y $+8$y$)$ dx from $1$ to $6$ dy from $1$ to $6$ Integrate with respect to the appropriate variable and determine the remaining integrand and bounds of integration. int $1^3*6($x $^5*$ y $+$ theta$*$y$)$ dxdy$=$ int Box $^$ Box $($ Box$)$ Box