Answer:
174
Step-by-step explanation:
I simplified radical 6 as 2 and 3, so 2(2)(3) = 12.
Then I simplified radical 54 as 2, 3, 3, and 3, so 3(2)(3)(3)(3) = 162.
162 + 12 = 174.
(If this is the wrong answer I'm sorry...it's been a while since I took geometry/algebra. xD)