Material purchases budget

Gap$$O has projected sales of $520,000$ hospital gowns in October. Each gown requires $2\mathrm{.}5$ yards of fabric. The beginning inventory of fabric and gowns, respectively, are $8,000$ yards and $33,600$ gowns. Gap'O wants to have $7,280$ yards of fabric and $25,280$ gowns on hand at the end of October. The fabric comes in $15-$yard bolts. If Gap'O has no beginning or ending Work in Process Inventory, how many bolts of fabric must the company purchase in October?

October purchase. I keep coming up with $86,619$ bolts. says it's wrong