Alright, let's work through 8424 times 2553 step by step
8424 × 2553 = 2553 × (8424)
+ 2553 × 4 resulting in 10212
+ 2553 × 20 producing 51060
+ 2553 × 400 that results in 1021200
+ 2553 × 8000 that is equal 20424000

= 21506472
