\[\left|\frac{x + 4}{y} - \frac{x}{y} \cdot z\right|\]

\(\begin{cases} \left|{\left(\sqrt[3]{\frac{x + 4}{y} - \frac{x}{y} \cdot z}\right)}^3\right| & \text{when } \frac{x}{y} \cdot z \le -8.024883863621672 \cdot 10^{+69} \\ \left|\frac{\left(x + 4\right) - x \cdot z}{y}\right| & \text{otherwise} \end{cases}\)