When Xiaoyue started to learn to type, she could only type 15 characters per minute, but now her typing speed is 6 times faster than when she started. She wants to type a 1,000-word article, and she has typed for 7 minutes. How many words are left?
小月开始学习打字时，每分钟只能打15个字，现在她打字的速度是开始时的6倍．她要打一篇1000字的文章，已经打了7分钟，还有多少个字没有打？
<gadget id="calculator">15 * 6 * 7</gadget>
<output>630</output>

<gadget id="calculator">1_000 - 630</gadget>
<output>370</output>

<result>370</result>