A factory plans to produce 2,400 machines, but in the first half of the year, 62.5% of the total is completed. According to this calculation, how many machines will be over-produced in the whole year.
一个工厂计划生产2400台机器，结果上半年完成总数的62.5%，照这样计算，全年将超产多少台．
<gadget id="calculator">62.5 / 100</gadget>
<output>0.625</output>

<gadget id="calculator">0.625 - 1</gadget>
<output>-0.375</output>

<gadget id="calculator">0.625 + (-0.375)</gadget>
<output>0.25</output>

<gadget id="calculator">2_400 * 0.25</gadget>
<output>600</output>

<result>600</result>