No problem, we've got 4857 and 8121 to multiply
4857 × 8121 = 8121 × (4857)
+ 8121 × 7 that results in 56847
+ 8121 × 50 resulting in 406050
+ 8121 × 800 which equals 6496800
+ 8121 × 4000 producing 32484000

= 39443697
