No problem, we've got 3867 and 1357 to multiply
3867 × 1357 = 1357 × (3867)
+ 1357 × 7 that results in 9499
+ 1357 × 60 producing 81420
+ 1357 × 800 yielding 1085600
+ 1357 × 3000 producing 4071000

= 5247519
