Alright, let's work through 5909 times 8739 step by step
5909 × 8739 = 8739 × (5909)
+ 8739 × 9 that results in 78651
+ 8739 × 00 that is equal 0
+ 8739 × 900 that equals 7865100
+ 8739 × 5000 which equals 43695000

= 51638751
