I would like to do a vlookup on a cell range that has multiple lines with the
same lookup value. I need to get a total value returned for the lookup value.
Example:

ITEM QTY

AABBCC 5
JKJH 3
YTRE 2
YTRE 3
YTRE 1
MHJN 2
MHJN 2

I would like to be able to do a vlookup from one worksheet with the value
YTRE and get the value of 6.

Thanks in advance for your help.