Alright, let's work through 7857 times 9876 step by step
7857 × 9876 = 9876 × (7857)
+ 9876 × 7 what gives us 69132
+ 9876 × 50 that equals 493800
+ 9876 × 800 yielding 7900800
+ 9876 × 7000 resulting in 69132000

= 77595732
