A Genuine Genius is Required to Solve This Math Challenge!

โ€œOnly a true genius can solve this math challenge!โ€

9 x 10 = 90

8 x 9 = 72

7 x 8 = 56

6 x 7 = 42

5 x 6 = 30

4 x 5 = 20

So the answer is:

3 x 4 = 12