Alright, let's work through 1791 times 6604 step by step
1791 × 6604 = 6604 × (1791)
+ 6604 × 1 resulting in 6604
+ 6604 × 90 producing 594360
+ 6604 × 700 what gives us 4622800
+ 6604 × 1000 producing 6604000

= 11827764
