Alright, let's work through 3401 times 1508 step by step
3401 × 1508 = 1508 × (3401)
+ 1508 × 1 giving us 1508
+ 1508 × 00 that is equal 0
+ 1508 × 400 what gives us 603200
+ 1508 × 3000 what gives us 4524000

= 5128708
