The clothing factory processes 80 pieces of clothing per hour, and the working hours are from 9:00 am to 5:00 pm. How many pieces of clothing does the sausage filling factory process in a day?
服装厂每小时加工80件服装，工作时间是上午9：00到下午5：00，肠装厂一天加工了多少件服装？
<gadget id="calculator">5 + 12</gadget>
<output>17</output>

<gadget id="calculator">17 - 9</gadget>
<output>8</output>

<gadget id="calculator">80 * 8</gadget>
<output>640</output>

<result>640</result>