No problem, we've got 6890 and 8331 to multiply
6890 × 8331 = 8331 × (6890)
+ 8331 × 0 what gives us 0
+ 8331 × 90 that results in 749790
+ 8331 × 800 producing 6664800
+ 8331 × 6000 yielding 49986000

= 57400590
