No problem, we've got 4999 and 4665 to multiply
4999 × 4665 = 4665 × (4999)
+ 4665 × 9 giving us 41985
+ 4665 × 90 resulting in 419850
+ 4665 × 900 giving us 4198500
+ 4665 × 4000 yielding 18660000

= 23320335
