Alright, let's work through 9957 times 5189 step by step
9957 × 5189 = 5189 × (9957)
+ 5189 × 7 yielding 36323
+ 5189 × 50 yielding 259450
+ 5189 × 900 producing 4670100
+ 5189 × 9000 resulting in 46701000

= 51666873
