Alright, let's work through 3521 times 8387 step by step
3521 × 8387 = 8387 × (3521)
+ 8387 × 1 that equals 8387
+ 8387 × 20 that results in 167740
+ 8387 × 500 producing 4193500
+ 8387 × 3000 what gives us 25161000

= 29530627
