Alright, let's work through 7728 times 2425 step by step
7728 × 2425 = 2425 × (7728)
+ 2425 × 8 which equals 19400
+ 2425 × 20 giving us 48500
+ 2425 × 700 resulting in 1697500
+ 2425 × 7000 producing 16975000

= 18740400
