Alright, let's work through 1621 times 5733 step by step
1621 × 5733 = 5733 × (1621)
+ 5733 × 1 resulting in 5733
+ 5733 × 20 that equals 114660
+ 5733 × 600 that results in 3439800
+ 5733 × 1000 that equals 5733000

= 9293193
