Alright, let's work through 5181 times 502 step by step
5181 × 502 = 502 × (5181)
+ 502 × 1 producing 502
+ 502 × 80 giving us 40160
+ 502 × 100 which equals 50200
+ 502 × 5000 giving us 2510000

= 2600862
