సరళీకరించండి: \(6 \frac{4}{5}\) ÷ \(\left[4 \frac{1}{4} \div\left\{5 \frac{1}{3} \times \frac{3}{8}+\left(3 \frac{1}{2}+\frac{2}{3}\right) \times \frac{4}{5}\right\}\right] \)
1
\(8 \frac{8}{15}\)
2
\(7 \frac{8}{25}\)
3
\(8 \frac{8}{25}\)
4
\(7 \frac{8}{15}\)