Alright, let's work through 6421 times 8871 step by step
6421 × 8871 = 8871 × (6421)
+ 8871 × 1 yielding 8871
+ 8871 × 20 which equals 177420
+ 8871 × 400 that results in 3548400
+ 8871 × 6000 that equals 53226000

= 56960691
