Alright, let's work through 7561 times 8503 step by step
7561 × 8503 = 8503 × (7561)
+ 8503 × 1 giving us 8503
+ 8503 × 60 that is equal 510180
+ 8503 × 500 producing 4251500
+ 8503 × 7000 yielding 59521000

= 64291183
