Alright, let's work through 1401 times 2820 step by step
1401 × 2820 = 2820 × (1401)
+ 2820 × 1 resulting in 2820
+ 2820 × 00 what gives us 0
+ 2820 × 400 producing 1128000
+ 2820 × 1000 yielding 2820000

= 3950820
