Jessica is a custodian at Oracle Arena. She waxes 20 m220 \text{ m}^220 m​2​​20, space, m, start superscript, 2, end superscript of the floor in 35\dfrac35​5​​3​​start fraction, 3, divided by, 5, end fraction of an hour. At this rate, how many square meters can she wax per hour?