If a 60 watt lamp emits monochromatic radiation of wavelength 6625Angstrom, then the number of photons emitted per second by the lamp is (h= 6.62* 10^-34Js)?...please explain with clear steps

If a 60 watt lamp emits monochromatic radiation of wavelength 6625Angs

1.	If a 60 watt lamp emits monochromatic radiation of wavelength 6625Angstrom, then the number of photons emitted per second by the lamp is (h= 6.62* 10^-34Js)?...please explain with clear steps
Answer» I don't KNOW PLEASE you TELL me I do t know CHEMISTRY