Alright, let's work through 7878 times 6744 step by step
7878 × 6744 = 6744 × (7878)
+ 6744 × 8 resulting in 53952
+ 6744 × 70 what gives us 472080
+ 6744 × 800 that is equal 5395200
+ 6744 × 7000 producing 47208000

= 53129232
