No problem, we've got 4172 and 5202 to multiply
4172 × 5202 = 5202 × (4172)
+ 5202 × 2 resulting in 10404
+ 5202 × 70 what gives us 364140
+ 5202 × 100 producing 520200
+ 5202 × 4000 producing 20808000

= 21702744
