Alright, let's work through 2804 times 791 step by step
2804 × 791 = 791 × (2804)
+ 791 × 4 that is equal 3164
+ 791 × 00 which equals 0
+ 791 × 800 resulting in 632800
+ 791 × 2000 that results in 1582000

= 2217964
