Alright, let's work through 2045 times 1251 step by step
2045 × 1251 = 1251 × (2045)
+ 1251 × 5 what gives us 6255
+ 1251 × 40 what gives us 50040
+ 1251 × 000 yielding 0
+ 1251 × 2000 that is equal 2502000

= 2558295
