Alright, let's work through 1892 times 2015 step by step
1892 × 2015 = 2015 × (1892)
+ 2015 × 2 resulting in 4030
+ 2015 × 90 yielding 181350
+ 2015 × 800 what gives us 1612000
+ 2015 × 1000 producing 2015000

= 3812380
