Alright, let's work through 5122 times 8580 step by step
5122 × 8580 = 8580 × (5122)
+ 8580 × 2 yielding 17160
+ 8580 × 20 resulting in 171600
+ 8580 × 100 that results in 858000
+ 8580 × 5000 yielding 42900000

= 43946760
