Alright, let's work through 4086 times 7109 step by step
4086 × 7109 = 7109 × (4086)
+ 7109 × 6 resulting in 42654
+ 7109 × 80 which equals 568720
+ 7109 × 000 giving us 0
+ 7109 × 4000 giving us 28436000

= 29047374
