Alright, let's work through 1615 times 3805 step by step
1615 × 3805 = 3805 × (1615)
+ 3805 × 5 that results in 19025
+ 3805 × 10 which equals 38050
+ 3805 × 600 giving us 2283000
+ 3805 × 1000 yielding 3805000

= 6145075
