No problem, we've got 4018 and 5099 to multiply
4018 × 5099 = 5099 × (4018)
+ 5099 × 8 giving us 40792
+ 5099 × 10 that is equal 50990
+ 5099 × 000 what gives us 0
+ 5099 × 4000 resulting in 20396000

= 20487782
