We're going to solve 1542 multiplied by 2005
1542 × 2005 = 2005 × (1542)
+ 2005 × 2 which equals 4010
+ 2005 × 40 which equals 80200
+ 2005 × 500 what gives us 1002500
+ 2005 × 1000 yielding 2005000

= 3091710
