No problem, we've got 4112 and 4922 to multiply
4112 × 4922 = 4922 × (4112)
+ 4922 × 2 what gives us 9844
+ 4922 × 10 resulting in 49220
+ 4922 × 100 which equals 492200
+ 4922 × 4000 producing 19688000

= 20239264
