Alright, let's work through 5459 times 4521 step by step
5459 × 4521 = 4521 × (5459)
+ 4521 × 9 resulting in 40689
+ 4521 × 50 that equals 226050
+ 4521 × 400 yielding 1808400
+ 4521 × 5000 what gives us 22605000

= 24680139
