Let's calculate 6816 x 3217
6816 × 3217 = 3217 × (6816)
+ 3217 × 6 what gives us 19302
+ 3217 × 10 what gives us 32170
+ 3217 × 800 yielding 2573600
+ 3217 × 6000 that results in 19302000

= 21927072
