Calculate the equilibrium constant $K_p$ for this reaction, given the following information $($at $297K)$:

$2NO(g)+B{r}_2(g)2$NOBr$(g),K_{c1}=1\mathrm{.}8$

$2NO(g)N_2(g)+O_2(g),K_{c2}=2\mathrm{.}2{10}^{30}$

Express your answer to two significant figures.

View Available Hint$($s$)$

$K_p=$