Alright, let's work through 1992 times 6878 step by step
1992 × 6878 = 6878 × (1992)
+ 6878 × 2 that equals 13756
+ 6878 × 90 resulting in 619020
+ 6878 × 900 which equals 6190200
+ 6878 × 1000 that results in 6878000

= 13700976
