No problem, we've got 4481 and 8736 to multiply
4481 × 8736 = 8736 × (4481)
+ 8736 × 1 that equals 8736
+ 8736 × 80 that equals 698880
+ 8736 × 400 what gives us 3494400
+ 8736 × 4000 resulting in 34944000

= 39146016
