Alright, let's work through 7128 times 6012 step by step
7128 × 6012 = 6012 × (7128)
+ 6012 × 8 which equals 48096
+ 6012 × 20 that is equal 120240
+ 6012 × 100 that is equal 601200
+ 6012 × 7000 what gives us 42084000

= 42853536
