No problem, we've got 8423 and 1457 to multiply
8423 × 1457 = 1457 × (8423)
+ 1457 × 3 what gives us 4371
+ 1457 × 20 giving us 29140
+ 1457 × 400 that is equal 582800
+ 1457 × 8000 what gives us 11656000

= 12272311
