Answer: ≈ 19.5959 or

Explanation:
There are many different things that
is equal to. The first way I am going to show you is to compute it with a calculator. This gives us about 19.5959, or 19.6 if you would like to round further.
A second method is to create a single square root not multiplied by anything. To do this, we will find what square root equals 8 and multiply it by 6. This gives us 8 * 8 = 64. Then, 64 * 8 = 384. This gives us
.
