Alright, let's work through 1853 times 1800 step by step
1853 × 1800 = 1800 × (1853)
+ 1800 × 3 that results in 5400
+ 1800 × 50 giving us 90000
+ 1800 × 800 producing 1440000
+ 1800 × 1000 that results in 1800000

= 3335400
