Alright, let's work through 8400 times 8608 step by step
8400 × 8608 = 8608 × (8400)
+ 8608 × 0 resulting in 0
+ 8608 × 00 that results in 0
+ 8608 × 400 resulting in 3443200
+ 8608 × 8000 giving us 68864000

= 72307200
