Alright, let's work through 1359 times 8621 step by step
1359 × 8621 = 8621 × (1359)
+ 8621 × 9 producing 77589
+ 8621 × 50 yielding 431050
+ 8621 × 300 that equals 2586300
+ 8621 × 1000 resulting in 8621000

= 11715939
