Alright, let's work through 7704 times 2001 step by step
7704 × 2001 = 2001 × (7704)
+ 2001 × 4 that results in 8004
+ 2001 × 00 resulting in 0
+ 2001 × 700 that equals 1400700
+ 2001 × 7000 yielding 14007000

= 15415704
