Alright, let's work through 8217 times 2491 step by step
8217 × 2491 = 2491 × (8217)
+ 2491 × 7 what gives us 17437
+ 2491 × 10 yielding 24910
+ 2491 × 200 yielding 498200
+ 2491 × 8000 what gives us 19928000

= 20468547
