Alright, let's work through 5309 times 5631 step by step
5309 × 5631 = 5631 × (5309)
+ 5631 × 9 that results in 50679
+ 5631 × 00 resulting in 0
+ 5631 × 300 resulting in 1689300
+ 5631 × 5000 that is equal 28155000

= 29894979
