Alright, let's work through 7407 times 5397 step by step
7407 × 5397 = 5397 × (7407)
+ 5397 × 7 resulting in 37779
+ 5397 × 00 that is equal 0
+ 5397 × 400 what gives us 2158800
+ 5397 × 7000 that results in 37779000

= 39975579
