Alright, let's work through 1537 times 3549 step by step
1537 × 3549 = 3549 × (1537)
+ 3549 × 7 producing 24843
+ 3549 × 30 that is equal 106470
+ 3549 × 500 that equals 1774500
+ 3549 × 1000 which equals 3549000

= 5454813
