Alright, let's work through 3637 times 7571 step by step
3637 × 7571 = 7571 × (3637)
+ 7571 × 7 that results in 52997
+ 7571 × 30 that equals 227130
+ 7571 × 600 that equals 4542600
+ 7571 × 3000 which equals 22713000

= 27535727
