Data Conversion Byte array to single on Simulink

I am trying to convert 4 bytes (input data coming from serial port) to single. For examle my input bytes are A=[00 5c b2 f9] result is 6075129 . On matlab i do this with this function:

result=A(1)*power(2,24)+A(2)*power(2,16)+A(3)*power(2,8)+ A(4)*power(2,0); But i dont know how to do this on simulink.

I hope you can help me.