Alright, let's work through 6951 times 7881 step by step
6951 × 7881 = 7881 × (6951)
+ 7881 × 1 producing 7881
+ 7881 × 50 that is equal 394050
+ 7881 × 900 which equals 7092900
+ 7881 × 6000 producing 47286000

= 54780831
