Alright, let's work through 1815 times 2050 step by step
1815 × 2050 = 2050 × (1815)
+ 2050 × 5 yielding 10250
+ 2050 × 10 producing 20500
+ 2050 × 800 producing 1640000
+ 2050 × 1000 that results in 2050000

= 3720750
