Alright, let's work through 3646 times 8991 step by step
3646 × 8991 = 8991 × (3646)
+ 8991 × 6 that equals 53946
+ 8991 × 40 producing 359640
+ 8991 × 600 which equals 5394600
+ 8991 × 3000 that equals 26973000

= 32781186
