Alright, let's work through 3527 times 6415 step by step
3527 × 6415 = 6415 × (3527)
+ 6415 × 7 which equals 44905
+ 6415 × 20 producing 128300
+ 6415 × 500 that results in 3207500
+ 6415 × 3000 that equals 19245000

= 22625705
