Alright, let's work through 9055 times 6303 step by step
9055 × 6303 = 6303 × (9055)
+ 6303 × 5 giving us 31515
+ 6303 × 50 that is equal 315150
+ 6303 × 000 that is equal 0
+ 6303 × 9000 giving us 56727000

= 57073665
