Alright, let's work through 1074 times 6399 step by step
1074 × 6399 = 6399 × (1074)
+ 6399 × 4 which equals 25596
+ 6399 × 70 resulting in 447930
+ 6399 × 000 giving us 0
+ 6399 × 1000 resulting in 6399000

= 6872526
