Alright, let's work through 5407 times 2686 step by step
5407 × 2686 = 2686 × (5407)
+ 2686 × 7 producing 18802
+ 2686 × 00 that is equal 0
+ 2686 × 400 which equals 1074400
+ 2686 × 5000 giving us 13430000

= 14523202
