Alright, let's work through 2186 times 8166 step by step
2186 × 8166 = 8166 × (2186)
+ 8166 × 6 giving us 48996
+ 8166 × 80 that equals 653280
+ 8166 × 100 yielding 816600
+ 8166 × 2000 producing 16332000

= 17850876
