Code a Python program that takes as input a number of gigabytes that can contain a decimal point. Convert this value to an integer number of gigabytes, megabytes, kilobytes, and bytes, ignoring any fractional bytes. 1 byte = 8 bit 1 kilobyte = 1024 byte 1 megabyte = 1024 kilobyte 1 gigabyte = 1024 megabyte