Alright, let's work through 5187 times 5498 step by step
5187 × 5498 = 5498 × (5187)
+ 5498 × 7 that results in 38486
+ 5498 × 80 giving us 439840
+ 5498 × 100 that results in 549800
+ 5498 × 5000 giving us 27490000

= 28518126
