Alright, let's work through 6816 times 2292 step by step
6816 × 2292 = 2292 × (6816)
+ 2292 × 6 resulting in 13752
+ 2292 × 10 yielding 22920
+ 2292 × 800 that is equal 1833600
+ 2292 × 6000 which equals 13752000

= 15622272
