Alright, let's work through 7841 times 704 step by step
7841 × 704 = 704 × (7841)
+ 704 × 1 resulting in 704
+ 704 × 40 yielding 28160
+ 704 × 800 producing 563200
+ 704 × 7000 that equals 4928000

= 5520064
