No problem, we've got 4171 and 4657 to multiply
4171 × 4657 = 4657 × (4171)
+ 4657 × 1 that is equal 4657
+ 4657 × 70 what gives us 325990
+ 4657 × 100 resulting in 465700
+ 4657 × 4000 that equals 18628000

= 19424347
