Alright, let's work through 5887 times 2276 step by step
5887 × 2276 = 2276 × (5887)
+ 2276 × 7 giving us 15932
+ 2276 × 80 giving us 182080
+ 2276 × 800 that equals 1820800
+ 2276 × 5000 that equals 11380000

= 13398812
