Alright, let's work through 8517 times 8438 step by step
8517 × 8438 = 8438 × (8517)
+ 8438 × 7 giving us 59066
+ 8438 × 10 producing 84380
+ 8438 × 500 yielding 4219000
+ 8438 × 8000 that is equal 67504000

= 71866446
