It defines "hundred" = 100, and likewise for other spelled-out numbers. I don't think it has any way of making it mean 100 in one context and an area (of, AIUI,

It defines "hundred" = 100, and likewise for other spelled-out numbers. I don't think it has any way of making it mean 100 in one context and an area (of, AIUI, indeterminate size) in another.