No problem, we've got 2821 and 8406 to multiply
2821 × 8406 = 8406 × (2821)
+ 8406 × 1 yielding 8406
+ 8406 × 20 that is equal 168120
+ 8406 × 800 producing 6724800
+ 8406 × 2000 what gives us 16812000

= 23713326
