Alright, let's work through 2205 times 1278 step by step
2205 × 1278 = 1278 × (2205)
+ 1278 × 5 that is equal 6390
+ 1278 × 00 what gives us 0
+ 1278 × 200 that results in 255600
+ 1278 × 2000 producing 2556000

= 2817990
