Alright, let's work through 5186 times 557 step by step
5186 × 557 = 557 × (5186)
+ 557 × 6 that is equal 3342
+ 557 × 80 yielding 44560
+ 557 × 100 that equals 55700
+ 557 × 5000 resulting in 2785000

= 2888602
