Alright, let's work through 5388 times 7228 step by step
5388 × 7228 = 7228 × (5388)
+ 7228 × 8 which equals 57824
+ 7228 × 80 what gives us 578240
+ 7228 × 300 that is equal 2168400
+ 7228 × 5000 what gives us 36140000

= 38944464
