Alright, let's work through 8646 times 2061 step by step
8646 × 2061 = 2061 × (8646)
+ 2061 × 6 giving us 12366
+ 2061 × 40 producing 82440
+ 2061 × 600 what gives us 1236600
+ 2061 × 8000 that is equal 16488000

= 17819406
