Alright, let's work through 1577 times 5171 step by step
1577 × 5171 = 5171 × (1577)
+ 5171 × 7 yielding 36197
+ 5171 × 70 producing 361970
+ 5171 × 500 producing 2585500
+ 5171 × 1000 which equals 5171000

= 8154667
