No problem, we've got 8477 and 9989 to multiply
8477 × 9989 = 9989 × (8477)
+ 9989 × 7 that equals 69923
+ 9989 × 70 yielding 699230
+ 9989 × 400 resulting in 3995600
+ 9989 × 8000 that results in 79912000

= 84676753
