No problem, we've got 8181 and 4491 to multiply
8181 × 4491 = 4491 × (8181)
+ 4491 × 1 what gives us 4491
+ 4491 × 80 which equals 359280
+ 4491 × 100 that results in 449100
+ 4491 × 8000 what gives us 35928000

= 36740871
