No problem, we've got 8439 and 4223 to multiply
8439 × 4223 = 4223 × (8439)
+ 4223 × 9 that equals 38007
+ 4223 × 30 producing 126690
+ 4223 × 400 resulting in 1689200
+ 4223 × 8000 what gives us 33784000

= 35637897
