Alright, let's work through 1525 times 8905 step by step
1525 × 8905 = 8905 × (1525)
+ 8905 × 5 resulting in 44525
+ 8905 × 20 that is equal 178100
+ 8905 × 500 that results in 4452500
+ 8905 × 1000 yielding 8905000

= 13580125
