Alright, let's work through 5609 times 3507 step by step
5609 × 3507 = 3507 × (5609)
+ 3507 × 9 that results in 31563
+ 3507 × 00 that is equal 0
+ 3507 × 600 resulting in 2104200
+ 3507 × 5000 which equals 17535000

= 19670763
