Simplify.
Rewrite the expression in the form
\[3^n\].
\[\dfrac{3 \cdot 3 \cdot 3 \cdot 3 \cdot 3\cdot 3}{3 \cdot 3 \cdot 3 \cdot 3}=\]
The expression can be simplified as
\[3^n=3^{6-4}=3^2=\boxed{9}.\]
Rewrite the expression in the form
\[3^n\].
\[\dfrac{3 \cdot 3 \cdot 3 \cdot 3 \cdot 3\cdot 3}{3 \cdot 3 \cdot 3 \cdot 3}=\]
\[3^n=3^{6-4}=3^2=\boxed{9}.\]