Alright, let's work through 9521 times 5581 step by step
9521 × 5581 = 5581 × (9521)
+ 5581 × 1 yielding 5581
+ 5581 × 20 that is equal 111620
+ 5581 × 500 resulting in 2790500
+ 5581 × 9000 what gives us 50229000

= 53136701
