Alright, let's work through 1426 times 3563 step by step
1426 × 3563 = 3563 × (1426)
+ 3563 × 6 that results in 21378
+ 3563 × 20 which equals 71260
+ 3563 × 400 that results in 1425200
+ 3563 × 1000 that equals 3563000

= 5080838
