Alright, let's work through 5129 times 9507 step by step
5129 × 9507 = 9507 × (5129)
+ 9507 × 9 yielding 85563
+ 9507 × 20 that equals 190140
+ 9507 × 100 yielding 950700
+ 9507 × 5000 that is equal 47535000

= 48761403
