Please help me with this Chemistry question!!?

Given that at 700 Kelvin, Kp = 54.0 for the reaction H2(g)+I2(g)<--> 2HI and Kp = 1.04 x10-4 for the reaction N2(g)+3H2<--> 2NH3(g) Determine the Kp for the reaction 2NH3(g)+3I2<-->6HI(g)+N2(g) at 700 K.