The garment factory processed a batch of garments, making a total of 940 sets in the first 12 days of April, and an average of 85 sets per day in the last 18 days. How many sets of clothing were processed in April?
服装厂加工一批服装，四月份前12天共做940套，后18天平均每天做85套．四月份一共加工多少套服装？
<result>2_740</result>