No problem, we've got 5421 and 4119 to multiply
5421 × 4119 = 4119 × (5421)
+ 4119 × 1 resulting in 4119
+ 4119 × 20 which equals 82380
+ 4119 × 400 that equals 1647600
+ 4119 × 5000 resulting in 20595000

= 22329099
