Alright, let's work through 6307 times 2676 step by step
6307 × 2676 = 2676 × (6307)
+ 2676 × 7 that equals 18732
+ 2676 × 00 yielding 0
+ 2676 × 300 which equals 802800
+ 2676 × 6000 yielding 16056000

= 16877532
