Alright, let's work through 2331 times 1678 step by step
2331 × 1678 = 1678 × (2331)
+ 1678 × 1 which equals 1678
+ 1678 × 30 producing 50340
+ 1678 × 300 that equals 503400
+ 1678 × 2000 producing 3356000

= 3911418
