Alright, let's work through 2815 times 5290 step by step
2815 × 5290 = 5290 × (2815)
+ 5290 × 5 which equals 26450
+ 5290 × 10 that is equal 52900
+ 5290 × 800 giving us 4232000
+ 5290 × 2000 that results in 10580000

= 14891350
