Alright, let's work through 2581 times 2864 step by step
2581 × 2864 = 2864 × (2581)
+ 2864 × 1 producing 2864
+ 2864 × 80 what gives us 229120
+ 2864 × 500 giving us 1432000
+ 2864 × 2000 producing 5728000

= 7391984
