This is 2×3 times 3×2, which will give us a 2×2 answer.
`((0,-1,2),(4,11,2)) ((3,-1),(1,2),(6,1))`
`=((0xx3+ -1xx1 + 2xx6,0xx-1+ -1xx2 + 2xx1), (4xx3+11xx1+2xx6,4xx -1 + 11xx2 + 2xx1))`
` = ((0-1+12,0-2+2), (12+11+12,-4+22+2))`
` = ((11,0),(35,20)) `
Our answer is a 2×2 matrix.