Alright, let's work through 6671 times 6375 step by step
6671 × 6375 = 6375 × (6671)
+ 6375 × 1 yielding 6375
+ 6375 × 70 what gives us 446250
+ 6375 × 600 producing 3825000
+ 6375 × 6000 producing 38250000

= 42527625
