Alright, let's work through 1517 times 1287 step by step
1517 × 1287 = 1287 × (1517)
+ 1287 × 7 what gives us 9009
+ 1287 × 10 producing 12870
+ 1287 × 500 that is equal 643500
+ 1287 × 1000 giving us 1287000

= 1952379
