Alright, let's work through 5387 times 4321 step by step
5387 × 4321 = 4321 × (5387)
+ 4321 × 7 which equals 30247
+ 4321 × 80 which equals 345680
+ 4321 × 300 producing 1296300
+ 4321 × 5000 what gives us 21605000

= 23277227
