Alright, let's work through 9971 times 6686 step by step
9971 × 6686 = 6686 × (9971)
+ 6686 × 1 which equals 6686
+ 6686 × 70 which equals 468020
+ 6686 × 900 that results in 6017400
+ 6686 × 9000 yielding 60174000

= 66666106
