Answer for (2b) cubed if b=3

We believe the answer is 216, but my daughter's math program says it is incorrect.
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1 Answer

(2b)^3 if b = 3

(2*3)^3

(6)^3

216

Is the answer in the math program 54?  That would be right if the problem was 2b^3 or 2(b)^3 or 2(b^3), but it would be wrong if the problem was (2b)^3.
by Level 13 User (103k points)

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