Alright, let's work through 2107 times 3801 step by step
2107 × 3801 = 3801 × (2107)
+ 3801 × 7 that results in 26607
+ 3801 × 00 yielding 0
+ 3801 × 100 what gives us 380100
+ 3801 × 2000 producing 7602000

= 8008707
