Alright, let's work through 9644 times 2126 step by step
9644 × 2126 = 2126 × (9644)
+ 2126 × 4 producing 8504
+ 2126 × 40 giving us 85040
+ 2126 × 600 that equals 1275600
+ 2126 × 9000 producing 19134000

= 20503144
