Alright, let's work through 3556 times 3656 step by step
3556 × 3656 = 3656 × (3556)
+ 3656 × 6 giving us 21936
+ 3656 × 50 resulting in 182800
+ 3656 × 500 yielding 1828000
+ 3656 × 3000 giving us 10968000

= 13000736
