Alright, let's work through 7134 times 391 step by step
7134 × 391 = 391 × (7134)
+ 391 × 4 that equals 1564
+ 391 × 30 yielding 11730
+ 391 × 100 yielding 39100
+ 391 × 7000 that is equal 2737000

= 2789394
