Alright, let's work through 3828 times 7709 step by step
3828 × 7709 = 7709 × (3828)
+ 7709 × 8 resulting in 61672
+ 7709 × 20 what gives us 154180
+ 7709 × 800 which equals 6167200
+ 7709 × 3000 which equals 23127000

= 29510052
