If the product of \( n \) matrices \( \mathrm{P} \) \( \left[\begin...

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If the product of \( n \) matrices
\( \mathrm{P} \) \( \left[\begin{array}{ll}1 & 1 \\ 0 & 1\end{array}\right]\left[\begin{array}{ll}1 & 2 \\ 0 & 1\end{array}\right]\left[\begin{array}{ll}1 & 3 \\ 0 & 1\end{array}\right] \ldots\left[\begin{array}{ll}1 & n \\ 0 & 1\end{array}\right] \) is equal to the

W matrix \( \left[\begin{array}{cc}1 & 378 \\ 0 & 1\end{array}\right] \), then the value of \( n \) is equal to
(A) 26
(B) 27
(C) 337
(D) 378
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