Alright, let's work through 2840 times 3876 step by step
2840 × 3876 = 3876 × (2840)
+ 3876 × 0 which equals 0
+ 3876 × 40 that equals 155040
+ 3876 × 800 yielding 3100800
+ 3876 × 2000 resulting in 7752000

= 11007840
