multiplication

Each of the letters arranged as below represents a unique integer from 1 to 9. The letters are positioned in the figure such that (A x B x C), (B x G x E) and (D x E x F) are equal...

If $$A = \left[ {\matrix{ 1 & 5 \cr 6 & 2 \cr } } \right]\,\,and\,\,B = \left[ {\matrix{ 3 & 7 \cr 8 & 4 \cr } } \right]A{B^T}$$ is equal to