Alright, let's work through 2231 times 8181 step by step
2231 × 8181 = 8181 × (2231)
+ 8181 × 1 which equals 8181
+ 8181 × 30 producing 245430
+ 8181 × 200 that results in 1636200
+ 8181 × 2000 that equals 16362000

= 18251811
