Alright, let's work through 1391 times 4942 step by step
1391 × 4942 = 4942 × (1391)
+ 4942 × 1 which equals 4942
+ 4942 × 90 that equals 444780
+ 4942 × 300 giving us 1482600
+ 4942 × 1000 that equals 4942000

= 6874322
