A TV factory produced 450,000 TV sets in the first half of last year, which was 2/5 less than that in the second half of the year. How many million units did this TV factory produce last year?
某电视机厂去年上半年生产电视机45万台，比下半年产量少(2/5)．这个电视机厂去年全年的产量是多少万台？
<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">45 / (3/5)</gadget>
<output>75</output>

<result>75</result>