Alright, let's work through 4084 times 5216 step by step
4084 × 5216 = 5216 × (4084)
+ 5216 × 4 that equals 20864
+ 5216 × 80 that results in 417280
+ 5216 × 000 what gives us 0
+ 5216 × 4000 what gives us 20864000

= 21302144
