Alright, let's work through 5128 times 8131 step by step
5128 × 8131 = 8131 × (5128)
+ 8131 × 8 yielding 65048
+ 8131 × 20 resulting in 162620
+ 8131 × 100 that results in 813100
+ 8131 × 5000 that is equal 40655000

= 41695768
