Matrix Subtraction

A matrix of size 3x3 is subtracted from another of a similar size. Find the integers , , , , , , , , in the resultant matrix.

[1  2  3 ]        [4  5  6 ]      [A  B  C]
[2  3  4 ]   -    [7  8  9 ]   =  [D  E  F] 
[1  1  1 ]        [4  5  0 ]      [G  H  I]

In the text box below, enter each of the 9 integers, , , , ... on a new line.