Alright, let's work through 5117 times 2497 step by step
5117 × 2497 = 2497 × (5117)
+ 2497 × 7 that is equal 17479
+ 2497 × 10 yielding 24970
+ 2497 × 100 what gives us 249700
+ 2497 × 5000 yielding 12485000

= 12777149
