The garment factory planned to produce 2,400 suits in August, but the plan was completed in the first half of the month (5/8), and in the second half of the month (2/5). How many suits were overproduced in August?
服装厂八月份计划生产西装2400套，结果上半月完成了计划的(5/8)，下半月又完成了计划的(2/5)，八月份超产西装多少套？
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">2_400 * (5/8)</gadget>
<output>1_500</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">2_400 * (2/5)</gadget>
<output>960</output>

<gadget id="calculator">960 - 2_400</gadget>
<output>-1_440</output>

<gadget id="calculator">1_500 + (-1_440)</gadget>
<output>60</output>

<result>60</result>