No problem, we've got 3381 and 2815 to multiply
3381 × 2815 = 2815 × (3381)
+ 2815 × 1 what gives us 2815
+ 2815 × 80 producing 225200
+ 2815 × 300 resulting in 844500
+ 2815 × 3000 yielding 8445000

= 9517515
