Alright, let's work through 3506 times 3911 step by step
3506 × 3911 = 3911 × (3506)
+ 3911 × 6 which equals 23466
+ 3911 × 00 yielding 0
+ 3911 × 500 that results in 1955500
+ 3911 × 3000 that results in 11733000

= 13711966
