Alright, let's work through 6430 times 3112 step by step
6430 × 3112 = 3112 × (6430)
+ 3112 × 0 that results in 0
+ 3112 × 30 which equals 93360
+ 3112 × 400 that equals 1244800
+ 3112 × 6000 that results in 18672000

= 20010160
