Alright, let's work through 1515 times 1045 step by step
1515 × 1045 = 1045 × (1515)
+ 1045 × 5 that is equal 5225
+ 1045 × 10 that is equal 10450
+ 1045 × 500 that results in 522500
+ 1045 × 1000 which equals 1045000

= 1583175
