Aunt Wang in the toy factory wants to make 1000 teddy bears, she can make 86 a day, and she has been doing it for a week. How many more did Aunt Wang not do?
玩具厂的王阿姨要做1000个玩具熊，她每天可以做86个，已经做了一星期．王阿姨还有多少个没有做？
<gadget id="calculator">86 * 7</gadget>
<output>602</output>

<gadget id="calculator">1_000 - 602</gadget>
<output>398</output>

<result>398</result>