Alright, let's work through 1423 times 5340 step by step
1423 × 5340 = 5340 × (1423)
+ 5340 × 3 resulting in 16020
+ 5340 × 20 resulting in 106800
+ 5340 × 400 that equals 2136000
+ 5340 × 1000 which equals 5340000

= 7598820
