Find the value of [(84 ÷ 6) × {\( \frac{91}{7} \) + \( \frac{16}{2} \) × (8 - 6)}]
Rajeshwar can do a piece of work in 12 days, Vikram in 6 days and Tiger in 15 days. They all start the work together, but Rajeshwar leaves after 2 days and Vikram leaves 3 days before the work is completed. In how many days is the work completed?
5 \( \frac{3}{7} \)
5 \( \frac{4}{7} \)
5 \( \frac{5}{7} \)
5 \( \frac{6}{7} \)