Alright, let's work through 5388 times 4263 step by step
5388 × 4263 = 4263 × (5388)
+ 4263 × 8 that is equal 34104
+ 4263 × 80 that is equal 341040
+ 4263 × 300 what gives us 1278900
+ 4263 × 5000 yielding 21315000

= 22969044
