Alright, let's work through 2623 times 4522 step by step
2623 × 4522 = 4522 × (2623)
+ 4522 × 3 that is equal 13566
+ 4522 × 20 giving us 90440
+ 4522 × 600 yielding 2713200
+ 4522 × 2000 giving us 9044000

= 11861206
