Alright, let's work through 1604 times 3333 step by step
1604 × 3333 = 3333 × (1604)
+ 3333 × 4 yielding 13332
+ 3333 × 00 that is equal 0
+ 3333 × 600 which equals 1999800
+ 3333 × 1000 that results in 3333000

= 5346132
