No problem, we've got 8609 and 7540 to multiply
8609 × 7540 = 7540 × (8609)
+ 7540 × 9 what gives us 67860
+ 7540 × 00 yielding 0
+ 7540 × 600 yielding 4524000
+ 7540 × 8000 yielding 60320000

= 64911860
