Alright, let's work through 5739 times 321 step by step
5739 × 321 = 321 × (5739)
+ 321 × 9 that results in 2889
+ 321 × 30 that equals 9630
+ 321 × 700 that equals 224700
+ 321 × 5000 that equals 1605000

= 1842219
