What is the wavelength in meters of ultraviolet light withν = 2.50 x 1015 s-1?

What is the wavelength in meters of ultraviolet light with ν = 2.50 x 1015 s-1 ?

$$\\\small{\text{Light moves with a speed $ c \,=\, 299792458\ \frac{\text{m}}{\text{s}} $ }}\\ \small{\text{We denote wavelength by $\lambda = \mathrm{wavelength}$}}\\ \small{\text{We denote frequency by $\nu=\mathrm{frequency} $}}\\ \small{\text{Frequency is measured in Hertz $ = Hz = s^{-1}.$}}\\ \\ \small{\text{ $ \boxed{ \lambda =\dfrac{c}{\nu} }\qquad \nu = 2.50 \cdot 10^{15}\ s^{-1} $ }}\\\\ \small{\text{ $ \lambda = \dfrac{2.99792458\cdot 10^8\ \dfrac{m}{s} } {2.50 \cdot 10^{15}\ s^{-1} } $ }}\\\\ \small{\text{ $ = 1.199169832 \cdot 10^{-7}\ m $ }}\\ \small{\text{ $ = 119.9169832 \cdot 10^{-9}\ m $ }}\\ \small{\text{ $ = 119.9\ nm $ }}$$