The model workshop processed 400 parts in a month, processed (2/5) in the first half of the month, how many parts were processed in the second half of the month?
模范车间一个月加工了400个零件，上半月加工了(2/5)，下半月加工了多少个零件？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 - (2/5)</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">400 * (3/5)</gadget>
<output>240</output>

<result>240</result>