We're going to solve 4399 multiplied by 1255
4399 × 1255 = 1255 × (4399)
+ 1255 × 9 which equals 11295
+ 1255 × 90 that is equal 112950
+ 1255 × 300 which equals 376500
+ 1255 × 4000 giving us 5020000

= 5520745
