Alright, let's work through 4080 times 6244 step by step
4080 × 6244 = 6244 × (4080)
+ 6244 × 0 what gives us 0
+ 6244 × 80 yielding 499520
+ 6244 × 000 which equals 0
+ 6244 × 4000 which equals 24976000

= 25475520
