If 3A=(36912)3A = \begin{pmatrix} 3 & 6 \\ 9 & 12 \end{pmatrix}3A=(39612), what is matrix AAA?
(1234)\begin{pmatrix} 1 & 2 \\ 3 & 4 \end{pmatrix}(1324)
(9182736)\begin{pmatrix} 9 & 18 \\ 27 & 36 \end{pmatrix}(9271836)
(0369)\begin{pmatrix} 0 & 3 \\ 6 & 9 \end{pmatrix}(0639)
(1324)\begin{pmatrix} 1 & 3 \\ 2 & 4 \end{pmatrix}(1234)