Alright, let's work through 5518 times 3697 step by step
5518 × 3697 = 3697 × (5518)
+ 3697 × 8 that is equal 29576
+ 3697 × 10 resulting in 36970
+ 3697 × 500 yielding 1848500
+ 3697 × 5000 that results in 18485000

= 20400046
