7.A radio trans oper at a freq of 880khz&P of 10 kw,how many photons/sec does it emit.?

plz solve it fast

7.A radio trans oper at a freq of 880khz%26amp;P of 10 kw,how many photons/sec does it emit.?lyric opera

h = 6.63 e-34 J s

E = hf

N = P / E = 1e4 / (880 e3 x 6.63 e-34) = 1.7 e31 photons/s