Alright, let's work through 1109 times 8519 step by step
1109 × 8519 = 8519 × (1109)
+ 8519 × 9 that results in 76671
+ 8519 × 00 producing 0
+ 8519 × 100 yielding 851900
+ 8519 × 1000 what gives us 8519000

= 9447571
