No problem, we've got 1663 and 6567 to multiply
1663 × 6567 = 6567 × (1663)
+ 6567 × 3 resulting in 19701
+ 6567 × 60 producing 394020
+ 6567 × 600 yielding 3940200
+ 6567 × 1000 producing 6567000

= 10920921
