Alright, let's work through 8031 times 2709 step by step
8031 × 2709 = 2709 × (8031)
+ 2709 × 1 resulting in 2709
+ 2709 × 30 what gives us 81270
+ 2709 × 000 that is equal 0
+ 2709 × 8000 producing 21672000

= 21755979
