The expression \(6 \times 3 \times 18\) can be calculated step by step.
First, multiply \(6\) and \(3\):
\[ 6 \times 3 = 18 \]
Next, take that result and multiply it by \(18\):
\[ 18 \times 18 = 324 \]
So, the final result of \(6 \times 3 \times 18\) is \(324\).