Alright, let's work through 2191 times 2331 step by step
2191 × 2331 = 2331 × (2191)
+ 2331 × 1 yielding 2331
+ 2331 × 90 resulting in 209790
+ 2331 × 100 yielding 233100
+ 2331 × 2000 that is equal 4662000

= 5107221
