Alright, let's work through 1681 times 2255 step by step
1681 × 2255 = 2255 × (1681)
+ 2255 × 1 that equals 2255
+ 2255 × 80 that equals 180400
+ 2255 × 600 giving us 1353000
+ 2255 × 1000 producing 2255000

= 3790655
