Alright, let's work through 2563 times 4489 step by step
2563 × 4489 = 4489 × (2563)
+ 4489 × 3 what gives us 13467
+ 4489 × 60 that results in 269340
+ 4489 × 500 resulting in 2244500
+ 4489 × 2000 that is equal 8978000

= 11505307
