Alright, let's work through 2793 times 521 step by step
2793 × 521 = 521 × (2793)
+ 521 × 3 that is equal 1563
+ 521 × 90 giving us 46890
+ 521 × 700 giving us 364700
+ 521 × 2000 that equals 1042000

= 1455153
