Alright, let's work through 3706 times 3686 step by step
3706 × 3686 = 3686 × (3706)
+ 3686 × 6 giving us 22116
+ 3686 × 00 giving us 0
+ 3686 × 700 that results in 2580200
+ 3686 × 3000 that equals 11058000

= 13660316
