No problem, we've got 4485 and 4810 to multiply
4485 × 4810 = 4810 × (4485)
+ 4810 × 5 giving us 24050
+ 4810 × 80 that is equal 384800
+ 4810 × 400 resulting in 1924000
+ 4810 × 4000 giving us 19240000

= 21572850
