Alright, let's work through 7856 times 777 step by step
7856 × 777 = 777 × (7856)
+ 777 × 6 resulting in 4662
+ 777 × 50 that results in 38850
+ 777 × 800 that results in 621600
+ 777 × 7000 that results in 5439000

= 6104112
