Alright, let's work through 1610 times 3604 step by step
1610 × 3604 = 3604 × (1610)
+ 3604 × 0 that equals 0
+ 3604 × 10 that results in 36040
+ 3604 × 600 what gives us 2162400
+ 3604 × 1000 what gives us 3604000

= 5802440
