Alright, let's work through 6410 times 7142 step by step
6410 × 7142 = 7142 × (6410)
+ 7142 × 0 producing 0
+ 7142 × 10 that equals 71420
+ 7142 × 400 that is equal 2856800
+ 7142 × 6000 producing 42852000

= 45780220
