No problem, we've got 9913 and 4257 to multiply
9913 × 4257 = 4257 × (9913)
+ 4257 × 3 which equals 12771
+ 4257 × 10 resulting in 42570
+ 4257 × 900 what gives us 3831300
+ 4257 × 9000 producing 38313000

= 42199641
