No problem, we've got 3681 and 6446 to multiply
3681 × 6446 = 6446 × (3681)
+ 6446 × 1 what gives us 6446
+ 6446 × 80 that results in 515680
+ 6446 × 600 that results in 3867600
+ 6446 × 3000 what gives us 19338000

= 23727726
