Alright, let's work through 9744 times 400 step by step
9744 × 400 = 400 × (9744)
+ 400 × 4 giving us 1600
+ 400 × 40 resulting in 16000
+ 400 × 700 which equals 280000
+ 400 × 9000 which equals 3600000

= 3897600
