Alright, let's work through 6877 times 7872 step by step
6877 × 7872 = 7872 × (6877)
+ 7872 × 7 that results in 55104
+ 7872 × 70 which equals 551040
+ 7872 × 800 what gives us 6297600
+ 7872 × 6000 resulting in 47232000

= 54135744
