Ответ:

\(-2\frac{1}{8} = -\frac{17}{8}\).

\(-\frac{17}{8} - \frac{2}{3} = -\frac{51}{24} - \frac{16}{24} = -\frac{67}{24}\).

\(120 \cdot \left(-\frac{67}{24}\right) = -5 \cdot 67 = -335\).

Ответ: −335.