Alright, let's work through 8230 times 1906 step by step
8230 × 1906 = 1906 × (8230)
+ 1906 × 0 producing 0
+ 1906 × 30 resulting in 57180
+ 1906 × 200 that results in 381200
+ 1906 × 8000 yielding 15248000

= 15686380
