Aunt Liu can process 27 coats per day. According to this calculation, how many coats can she process in 4 weeks?
刘阿姨每天可以加工27件上衣，照这样计算，她4周可以加工上衣多少件
<gadget id="calculator">4 * 7</gadget>
<output>28</output>

<gadget id="calculator">27 * 28</gadget>
<output>756</output>

<result>756</result>