A TV factory completed the annual plan in the first half of last year (5/8), and completed the full plan in the second half of the year (July 12). As a result, it produced 7,500 more TV sets than the original plan. How many TV sets were planned to be fully produced last year? ?
某电视机厂，去年上半年完成全年计划的(5/8)，下半年完成全计划的(7/12)，结果比原计划多生产电视机7500台，去年计划全产电视机多少台？
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">7 / 12</gadget>
<output>7/12 = around 0.583333</output>

<gadget id="calculator">(7/12) - 1</gadget>
<output>-5/12 = around -0.416667</output>

<gadget id="calculator">(5/8) + (-5/12)</gadget>
<output>5/24 = around 0.208333</output>

<gadget id="calculator">7_500 / (5/24)</gadget>
<output>36_000</output>

<result>36_000</result>