Answer:
The answer is 6
Step-by-step explanation:
If you can see the top first digit is the product of top second digit and bottom number,
i.e.,
63.) 6 = 3 × 2
42.) 4 = 2 × 2
82.) 8 = 2 × 4
So,
61.) 6 = 1 × 6
Thus, The answer is 6
-TheUnknownScientist 72