Alright, let's work through 8251 times 9819 step by step
8251 × 9819 = 9819 × (8251)
+ 9819 × 1 which equals 9819
+ 9819 × 50 that equals 490950
+ 9819 × 200 resulting in 1963800
+ 9819 × 8000 that is equal 78552000

= 81016569
