Alright, let's work through 7872 times 8557 step by step
7872 × 8557 = 8557 × (7872)
+ 8557 × 2 that equals 17114
+ 8557 × 70 yielding 598990
+ 8557 × 800 producing 6845600
+ 8557 × 7000 yielding 59899000

= 67360704
