Alright, let's work through 8691 times 2307 step by step
8691 × 2307 = 2307 × (8691)
+ 2307 × 1 resulting in 2307
+ 2307 × 90 that equals 207630
+ 2307 × 600 giving us 1384200
+ 2307 × 8000 that results in 18456000

= 20050137
