come si fa 7590 x 83490 ?

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