Master Li accepted the production task of processing 800 parts. He made 90 parts every day and worked for 8 hours. Did he complete the task? Why?
李师傅接受了加工800个零件的生产任务，他每天做90个，工作8小时，有没有完成任务？为什么？
<gadget id="calculator">90 * 8</gadget>
<output>720</output>

<gadget id="calculator">800 - 720</gadget>
<output>80</output>

<result>80</result>