14. Вычислите: 12 - 1 \frac{7}{8} - 5 \cdot (4 - 2 \frac{11}{18}).

1. $$4 - 2 \frac{11}{18} = 4 - \frac{47}{18} = \frac{72 - 47}{18} = \frac{25}{18}$$.
2. $$5 \cdot \frac{25}{18} = \frac{125}{18}$$.
3. $$12 - 1 \frac{7}{8} - \frac{125}{18} = 12 - \frac{15}{8} - \frac{125}{18} = \frac{216 - 45 - 250}{72} = \frac{-79}{72}$$.
Ответ: $$-\frac{79}{72}$$.