Alright, let's work through 8523 times 1813 step by step
8523 × 1813 = 1813 × (8523)
+ 1813 × 3 that results in 5439
+ 1813 × 20 that is equal 36260
+ 1813 × 500 which equals 906500
+ 1813 × 8000 giving us 14504000

= 15452199
