Alright, let's work through 3709 times 5423 step by step
3709 × 5423 = 5423 × (3709)
+ 5423 × 9 what gives us 48807
+ 5423 × 00 that is equal 0
+ 5423 × 700 yielding 3796100
+ 5423 × 3000 resulting in 16269000

= 20113907
