The net electric flux through a cubic box with sides that are $20.0 \mathrm{~cm}$ long is $4.80 \times 103 \mathrm{~N} \cdot \mathrm{m} 2 / \mathrm{C}^{4.80 \times 10^{3} \mathrm{~N} \cdot \mathrm{m}^{2} / \mathrm{C}}$. What charge is enclosed by
the box?