No problem, we've got 3803 and 5648 to multiply
3803 × 5648 = 5648 × (3803)
+ 5648 × 3 yielding 16944
+ 5648 × 00 producing 0
+ 5648 × 800 producing 4518400
+ 5648 × 3000 yielding 16944000

= 21479344
