Benzaldehyde ($5.30\mathrm{g}$, molar mass $106\mathrm{g}\mathrm{mo}{\mathrm{l}}^{-1}$) is converted into cinnamic acid by the Perkin reaction with an isolated yield of $64\%$. All of the cinnamic acid is dissolved and titrated to the equivalence point with $0.250\mathrm{M}$ NaOH. What volume of NaOH is needed? Give the answer in mL, to the nearest integer.

Numerical answer type, answer in mL, tolerance 0.5.