Alright, let's work through 7142 times 5393 step by step
7142 × 5393 = 5393 × (7142)
+ 5393 × 2 producing 10786
+ 5393 × 40 what gives us 215720
+ 5393 × 100 that equals 539300
+ 5393 × 7000 that equals 37751000

= 38516806
