Alright, let's work through 4493 times 5640 step by step
4493 × 5640 = 5640 × (4493)
+ 5640 × 3 producing 16920
+ 5640 × 90 resulting in 507600
+ 5640 × 400 that equals 2256000
+ 5640 × 4000 giving us 22560000

= 25340520
