Alright, let's work through 1423 times 5777 step by step
1423 × 5777 = 5777 × (1423)
+ 5777 × 3 that is equal 17331
+ 5777 × 20 that equals 115540
+ 5777 × 400 what gives us 2310800
+ 5777 × 1000 which equals 5777000

= 8220671
