Alright, let's work through 2603 times 1112 step by step
2603 × 1112 = 1112 × (2603)
+ 1112 × 3 yielding 3336
+ 1112 × 00 yielding 0
+ 1112 × 600 that is equal 667200
+ 1112 × 2000 that is equal 2224000

= 2894536
