It does multiply. Thing is, I use a lot of it, but the stack doesn't go down. It gets taller!
When I find paper I like I buy 3 sheets and if I love it I buy 5 sheets. If I buy less then I'm hesitant to use it!
So much I only have one sheet of - I need to go through and pick out all the patterned paper I only have one sheet of and put it in a bin by itself. Last night I was doing a 2-pager and kept pulling papers that I only had one sheet of.