Alright, let's work through 6040 times 728 step by step
6040 × 728 = 728 × (6040)
+ 728 × 0 that results in 0
+ 728 × 40 producing 29120
+ 728 × 000 that equals 0
+ 728 × 6000 that equals 4368000

= 4397120
