Alright, let's work through 4013 times 7501 step by step
4013 × 7501 = 7501 × (4013)
+ 7501 × 3 that is equal 22503
+ 7501 × 10 yielding 75010
+ 7501 × 000 yielding 0
+ 7501 × 4000 resulting in 30004000

= 30101513
