Alright, let's work through 6900 times 1855 step by step
6900 × 1855 = 1855 × (6900)
+ 1855 × 0 that results in 0
+ 1855 × 00 yielding 0
+ 1855 × 900 yielding 1669500
+ 1855 × 6000 that results in 11130000

= 12799500
