Alright, let's work through 4225 times 1263 step by step
4225 × 1263 = 1263 × (4225)
+ 1263 × 5 what gives us 6315
+ 1263 × 20 that is equal 25260
+ 1263 × 200 yielding 252600
+ 1263 × 4000 which equals 5052000

= 5336175
