Alright, let's work through 7778 times 6904 step by step
7778 × 6904 = 6904 × (7778)
+ 6904 × 8 which equals 55232
+ 6904 × 70 what gives us 483280
+ 6904 × 700 giving us 4832800
+ 6904 × 7000 which equals 48328000

= 53699312
