The willow weaving factory received the task of processing 800 pieces of handicrafts, and the customer requested delivery within two months. If the first month is completed (3/8), how many pieces will be processed in the second month if it is to be completed on schedule?
柳编厂接到800件工艺品的加工任务，客户要求在两个月内交货．如果第一个月完成(3/8)，要按期完成，第二个月还要加工多少件？
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">1 - (3/8)</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">800 * (5/8)</gadget>
<output>500</output>

<result>500</result>