6 \frac{6}{11} \times \frac{3}{4} \div 2 \frac{2}{5} \times 2 \frac{1}{5} \\ \\ 6 \frac{6}{11} \times \frac{3}{2} \times \frac{1}{2} \times \frac{2}{5} \times \frac{1}{5} \\ \\ 3 \frac{6}{11} \times 3 \frac{1}{5} \times \frac{1}{5} \\ \\ \frac{54}{275}