Alright, let's work through 8478 times 671 step by step
8478 × 671 = 671 × (8478)
+ 671 × 8 what gives us 5368
+ 671 × 70 that results in 46970
+ 671 × 400 that equals 268400
+ 671 × 8000 producing 5368000

= 5688738
