Alright, let's work through 3359 times 5865 step by step
3359 × 5865 = 5865 × (3359)
+ 5865 × 9 that is equal 52785
+ 5865 × 50 yielding 293250
+ 5865 × 300 yielding 1759500
+ 5865 × 3000 resulting in 17595000

= 19700535
