\begin{align*} \mathbf{u}\times\mathbf{v} &= \langle u_2v_3 - u_3v_2, u_3v_1 - u_1v_3, u_1v_2 - u_2v_1 \rangle \\ &= \langle -11,9,-5 \rangle \\ \\ |\mathbf{u}\times\mathbf{v}| &= |\mathbf{u}||\mathbf{v}|\sin\theta \\ &\approx 15.067 \end{align*}

right hand rule
$\color{blue}\mathbf{u} \color{black}= \langle$ , , $\rangle$
$\color{blue}\mathbf{v} \color{black}= \langle$ , , $\rangle$