Alright, let's work through 7728 times 6963 step by step
7728 × 6963 = 6963 × (7728)
+ 6963 × 8 producing 55704
+ 6963 × 20 producing 139260
+ 6963 × 700 that is equal 4874100
+ 6963 × 7000 giving us 48741000

= 53810064
