Alright, let's work through 2021 times 1356 step by step
2021 × 1356 = 1356 × (2021)
+ 1356 × 1 that results in 1356
+ 1356 × 20 producing 27120
+ 1356 × 000 yielding 0
+ 1356 × 2000 giving us 2712000

= 2740476
