Alright, let's work through 2491 times 1928 step by step
2491 × 1928 = 1928 × (2491)
+ 1928 × 1 that results in 1928
+ 1928 × 90 that is equal 173520
+ 1928 × 400 which equals 771200
+ 1928 × 2000 yielding 3856000

= 4802648
