Alright, let's work through 3783 times 5521 step by step
3783 × 5521 = 5521 × (3783)
+ 5521 × 3 producing 16563
+ 5521 × 80 resulting in 441680
+ 5521 × 700 producing 3864700
+ 5521 × 3000 that equals 16563000

= 20885943
