A vapor phase refrigerant has a specific volume of $18.50 \text{ ft}^3/\text{lb}$. What is this specific volume in cubic meters per kilogram ($\text{m}^3/\text{kg}$)? (Take $1 \text{ ft} = 0.3048 \text{ m}$ and $1 \text{ lb} \approx 0.453592 \text{ kg}$)