Alright, let's work through 9459 times 1639 step by step
9459 × 1639 = 1639 × (9459)
+ 1639 × 9 giving us 14751
+ 1639 × 50 which equals 81950
+ 1639 × 400 what gives us 655600
+ 1639 × 9000 yielding 14751000

= 15503301
