No problem, we've got 1891 and 4344 to multiply
1891 × 4344 = 4344 × (1891)
+ 4344 × 1 resulting in 4344
+ 4344 × 90 that is equal 390960
+ 4344 × 800 producing 3475200
+ 4344 × 1000 what gives us 4344000

= 8214504
