Alright, let's work through 9021 times 1807 step by step
9021 × 1807 = 1807 × (9021)
+ 1807 × 1 producing 1807
+ 1807 × 20 which equals 36140
+ 1807 × 000 yielding 0
+ 1807 × 9000 producing 16263000

= 16300947
