Alright, let's work through 4503 times 287 step by step
4503 × 287 = 287 × (4503)
+ 287 × 3 that is equal 861
+ 287 × 00 which equals 0
+ 287 × 500 what gives us 143500
+ 287 × 4000 that is equal 1148000

= 1292361
