The value of Planck's constant is $6.63\times {10}^{-34}\mathrm{Js}$. The speed of light is $3\times {10}^{17}{\mathrm{nms}}^{-1}$. Which value is closest to the wavelength in nanometer of a quantum of light with frequency of $6\times {10}^{15}{\mathrm{s}}^{-1}$?