What is the value of \(\left[\frac{1}{8}+\left\{\frac{1}{6} \times\left(\frac{36}{45} \div \frac{24}{25}\right) \right. \right.\)- \(\left. \left. \left(\frac{12}{21} \times \frac{14}{15} \div \frac{24}{45}\right)\right\}+\frac{27}{36}\right]\) ?
1
\(\frac{1}{36}\)
2
\(\frac{1}{72}\)
3
\(\frac{1}{108}\)
4
\(\frac{1}{27}\)