Alright, let's work through 2623 times 5198 step by step
2623 × 5198 = 5198 × (2623)
+ 5198 × 3 producing 15594
+ 5198 × 20 which equals 103960
+ 5198 × 600 that is equal 3118800
+ 5198 × 2000 resulting in 10396000

= 13634354
