Alright, let's work through 7842 times 6778 step by step
7842 × 6778 = 6778 × (7842)
+ 6778 × 2 giving us 13556
+ 6778 × 40 that is equal 271120
+ 6778 × 800 resulting in 5422400
+ 6778 × 7000 resulting in 47446000

= 53153076
