Alright, let's work through 8580 times 2999 step by step
8580 × 2999 = 2999 × (8580)
+ 2999 × 0 resulting in 0
+ 2999 × 80 that is equal 239920
+ 2999 × 500 that results in 1499500
+ 2999 × 8000 which equals 23992000

= 25731420
