Alright, let's work through 1515 times 8526 step by step
1515 × 8526 = 8526 × (1515)
+ 8526 × 5 giving us 42630
+ 8526 × 10 that is equal 85260
+ 8526 × 500 giving us 4263000
+ 8526 × 1000 producing 8526000

= 12916890
