No problem, we've got 2186 and 9678 to multiply
2186 × 9678 = 9678 × (2186)
+ 9678 × 6 what gives us 58068
+ 9678 × 80 yielding 774240
+ 9678 × 100 producing 967800
+ 9678 × 2000 that is equal 19356000

= 21156108
