come si fa 4576 x 4577 ?

6 7 5 4 7 7 5 4 x = 2 4 3 5 0 4 2 3 2 4 3 5 0 4 2 3 0 3 8 3 8 2 2 2 4 2 0 3 3 2 8 1 1 1 1 2 5 3 4 4 9 0 2
x