Alright, let's work through 2743 times 7791 step by step
2743 × 7791 = 7791 × (2743)
+ 7791 × 3 that equals 23373
+ 7791 × 40 resulting in 311640
+ 7791 × 700 resulting in 5453700
+ 7791 × 2000 that is equal 15582000

= 21370713
