Alright, let's work through 1942 times 3399 step by step
1942 × 3399 = 3399 × (1942)
+ 3399 × 2 resulting in 6798
+ 3399 × 40 that results in 135960
+ 3399 × 900 which equals 3059100
+ 3399 × 1000 producing 3399000

= 6600858
