The automation software factory plans to have 100 workers work for 20 days to manufacture 400,000 pieces of office software. Due to market demand, half of the tasks must be completed within 8 days. In this way, how many workers need to be added to complete the production task.
自动化软件厂计划100个工人工作20天制造办公软件40万件，现因市场需求要在8天内先完成任务的一半．这样，需要增加多少个工人，才能完成生产的任务．
<gadget id="calculator">400_000 / 2</gadget>
<output>200_000</output>

<gadget id="calculator">400_000 / 100 / 20</gadget>
<output>200</output>

<gadget id="calculator">100 * 200 * 8</gadget>
<output>160_000</output>

<gadget id="calculator">200_000 - 160_000</gadget>
<output>40_000</output>

<gadget id="calculator">40_000 / 8 / 200</gadget>
<output>25</output>

<result>25</result>