There are 8 fluid ounces in a cup. One quart has 4 cups, so it has $\displaystyle\text{4}\cdot\text{8}=\text{32}\usepackage{cmbright}\Huge\$ fluid ounces. Together there are $\displaystyle{8}+{32}={40}\usepackage{cmbright}\Huge\$ fluid ounces.