Alright, let's work through 5926 times 6647 step by step
5926 × 6647 = 6647 × (5926)
+ 6647 × 6 that is equal 39882
+ 6647 × 20 that equals 132940
+ 6647 × 900 producing 5982300
+ 6647 × 5000 yielding 33235000

= 39390122
