Alright, let's work through 2491 times 1536 step by step
2491 × 1536 = 1536 × (2491)
+ 1536 × 1 which equals 1536
+ 1536 × 90 what gives us 138240
+ 1536 × 400 which equals 614400
+ 1536 × 2000 yielding 3072000

= 3826176
