No problem, we've got 8104 and 9912 to multiply
8104 × 9912 = 9912 × (8104)
+ 9912 × 4 that is equal 39648
+ 9912 × 00 producing 0
+ 9912 × 100 producing 991200
+ 9912 × 8000 resulting in 79296000

= 80326848
