Master Wang processes 200 parts and takes 4 hours to complete. Now that the number of parts has increased to 280, it is still required to be completed on time. What do you think Master Wang should do? Write down your thoughts.
王师傅加工200个零件，需要4时完成．现在零件数增加到280个，仍要求按时完成，你认为王师傅该怎么办？把你的想法写出来．
<gadget id="calculator">280 / 4</gadget>
<output>70</output>

<gadget id="calculator">200 / 4</gadget>
<output>50</output>

<gadget id="calculator">70 - 50</gadget>
<output>20</output>

<result>20</result>