Alright, let's work through 2563 times 3933 step by step
2563 × 3933 = 3933 × (2563)
+ 3933 × 3 giving us 11799
+ 3933 × 60 that results in 235980
+ 3933 × 500 yielding 1966500
+ 3933 × 2000 which equals 7866000

= 10080279
