\( \definecolor{colordef}{RGB}{249,49,84} \definecolor{colorprop}{RGB}{18,102,241} \)
For \(\Vect{u}=\begin{pmatrix} 1 \\ 2 \end{pmatrix}\), \(\Vect{v}=\begin{pmatrix} 3 \\ -1 \end{pmatrix}\) and \(\Vect{w}=\begin{pmatrix} -2 \\ 4 \end{pmatrix}\), calculate:
\(\Vect{u} \cdot (\Vect{v}+\Vect{w}) =\)