Alright, let's work through 6382 times 6280 step by step
6382 × 6280 = 6280 × (6382)
+ 6280 × 2 what gives us 12560
+ 6280 × 80 that results in 502400
+ 6280 × 300 that is equal 1884000
+ 6280 × 6000 that results in 37680000

= 40078960
