We're going to solve 1525 multiplied by 4005
1525 × 4005 = 4005 × (1525)
+ 4005 × 5 that equals 20025
+ 4005 × 20 that equals 80100
+ 4005 × 500 what gives us 2002500
+ 4005 × 1000 what gives us 4005000

= 6107625
