If $L=6, M=12, N=?, O=24, P=30$. Find the value of N and solve the expression $L \times M + M \times N$

Question

$\begin{array}{11} (a)\; 18,290 \\ (b)\; 12,288\\ (c)\; 18,288 \\ (d)\;24,290 \end{array}$