Workers in a plastic factory can work 4 hours in the morning and afternoon, and produce 1,100 raincoats per hour. How many raincoats can they produce in one day?
某塑料厂工人上午和下午都能工作4小时，每小时生产雨衣1100件，一天共能生产雨衣多少件？
<gadget id="calculator">4 + 4</gadget>
<output>8</output>

<gadget id="calculator">1_100 * 8</gadget>
<output>8_800</output>

<result>8_800</result>