merge stacks of similar items in the list of items you're standing on.

e.g. "You see here rag x 12, string - 6 in x 4, and sewing kit.".

EDIT: changed to "You see here 12 rags, 4 string - 6 ins, and 1 sewing kit."

EDIT2: changed to "You see here 12 rags, 4 string - 6 ins, and a sewing kit."