No problem, we've got 4211 and 5102 to multiply
4211 × 5102 = 5102 × (4211)
+ 5102 × 1 which equals 5102
+ 5102 × 10 resulting in 51020
+ 5102 × 200 resulting in 1020400
+ 5102 × 4000 resulting in 20408000

= 21484522
