No problem, we've got 3520 and 6816 to multiply
3520 × 6816 = 6816 × (3520)
+ 6816 × 0 resulting in 0
+ 6816 × 20 producing 136320
+ 6816 × 500 that results in 3408000
+ 6816 × 3000 that is equal 20448000

= 23992320
