Alright, let's work through 1604 times 8232 step by step
1604 × 8232 = 8232 × (1604)
+ 8232 × 4 producing 32928
+ 8232 × 00 that results in 0
+ 8232 × 600 that equals 4939200
+ 8232 × 1000 producing 8232000

= 13204128
