Alright, let's work through 1818 times 1728 step by step
1818 × 1728 = 1728 × (1818)
+ 1728 × 8 that is equal 13824
+ 1728 × 10 that results in 17280
+ 1728 × 800 that is equal 1382400
+ 1728 × 1000 resulting in 1728000

= 3141504
