Alright, let's work through 5107 times 3690 step by step
5107 × 3690 = 3690 × (5107)
+ 3690 × 7 resulting in 25830
+ 3690 × 00 that is equal 0
+ 3690 × 100 giving us 369000
+ 3690 × 5000 yielding 18450000

= 18844830
