Alright, let's work through 5627 times 637 step by step
5627 × 637 = 637 × (5627)
+ 637 × 7 yielding 4459
+ 637 × 20 resulting in 12740
+ 637 × 600 that results in 382200
+ 637 × 5000 giving us 3185000

= 3584399
