Alright, let's work through 6764 times 2109 step by step
6764 × 2109 = 2109 × (6764)
+ 2109 × 4 that is equal 8436
+ 2109 × 60 which equals 126540
+ 2109 × 700 what gives us 1476300
+ 2109 × 6000 producing 12654000

= 14265276
