Alright, let's work through 3410 times 728 step by step
3410 × 728 = 728 × (3410)
+ 728 × 0 that is equal 0
+ 728 × 10 that is equal 7280
+ 728 × 400 yielding 291200
+ 728 × 3000 that equals 2184000

= 2482480
