come si fa 16000 x 5760 ?

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