Alright, let's work through 1530 times 2621 step by step
1530 × 2621 = 2621 × (1530)
+ 2621 × 0 producing 0
+ 2621 × 30 that is equal 78630
+ 2621 × 500 yielding 1310500
+ 2621 × 1000 yielding 2621000

= 4010130
