No problem, we've got 3879 and 4907 to multiply
3879 × 4907 = 4907 × (3879)
+ 4907 × 9 that results in 44163
+ 4907 × 70 which equals 343490
+ 4907 × 800 that equals 3925600
+ 4907 × 3000 which equals 14721000

= 19034253
