What is the result of the product (12)(34)\begin{pmatrix} 1 & 2 \end{pmatrix} \begin{pmatrix} 3 \\ 4 \end{pmatrix}(12)(34)?
(38)\begin{pmatrix} 3 & 8 \end{pmatrix}(38)
(38)\begin{pmatrix} 3 \\ 8 \end{pmatrix}(38)
[11][11][11]
[7][7][7]