No problem, we've got 5157 and 4196 to multiply
5157 × 4196 = 4196 × (5157)
+ 4196 × 7 which equals 29372
+ 4196 × 50 what gives us 209800
+ 4196 × 100 that equals 419600
+ 4196 × 5000 resulting in 20980000

= 21638772
