Alright, let's work through 4305 times 1255 step by step
4305 × 1255 = 1255 × (4305)
+ 1255 × 5 what gives us 6275
+ 1255 × 00 that results in 0
+ 1255 × 300 that is equal 376500
+ 1255 × 4000 that results in 5020000

= 5402775
