2.230 Referring to the number of things: cardinal numbers
If you want to refer to some or all of the things in a group, you can indicate how many things you are referring to by using a cardinal numbers.
When you use a determiner and a number in front of a noun, you put the determiner in front of the number.
When you put a number and an adjective in front of a noun, you usually put the number in front of the adjective.