Find the value of the following expression:

$\frac{4 \frac{1}{3}+3 \frac{1}{3} \times 1 \frac{4}{5} \div 3 \frac{3}{4} \times\left(6 \frac{1}{4} \text { of } 1 \frac{1}{15}\right)}{\frac{2}{3} \div \frac{5}{6} \times \frac{2}{3}}$

$28 \frac{1}{8}$