The machine tool factory planned to produce 200 small machine tools in January, but it was completed in the first half of the month (3/5), and the second half of the month was completed as much as the first half of the month. As a result, how many more units were produced this month than originally planned?
机床厂计划一月份生产小机床200台，结果上半月完成(3/5)，下半月完成的与上半月同样多．结果这个月比原计划多生产多少台？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">(3/5) * 2</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">(6/5) - 1</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">200 * (1/5)</gadget>
<output>40</output>

<result>40</result>