Alright, let's work through 8765 times 5157 step by step
8765 × 5157 = 5157 × (8765)
+ 5157 × 5 that results in 25785
+ 5157 × 60 what gives us 309420
+ 5157 × 700 producing 3609900
+ 5157 × 8000 yielding 41256000

= 45201105
