Alright, let's work through 7871 times 6747 step by step
7871 × 6747 = 6747 × (7871)
+ 6747 × 1 which equals 6747
+ 6747 × 70 that equals 472290
+ 6747 × 800 which equals 5397600
+ 6747 × 7000 yielding 47229000

= 53105637
