Alright, let's work through 8739 times 1479 step by step
8739 × 1479 = 1479 × (8739)
+ 1479 × 9 that equals 13311
+ 1479 × 30 resulting in 44370
+ 1479 × 700 that is equal 1035300
+ 1479 × 8000 that equals 11832000

= 12924981
