Alright, let's work through 1800 times 8190 step by step
1800 × 8190 = 8190 × (1800)
+ 8190 × 0 producing 0
+ 8190 × 00 which equals 0
+ 8190 × 800 what gives us 6552000
+ 8190 × 1000 which equals 8190000

= 14742000
