come si fa 8888 x 88888 ?

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