<|system|>
A teacher asks her class what the value of $\left(5^2-4^2\right)^3$ is.  What is the value of the expression?</s>.
<|user|>
Can you answer based on context?
<|assistant|>
Calculating, $(5^2 - 4^2)^3 = (25-16)^3 = 9^3 = 729$.