TV factory produced a total of 500,000 TV sets in the first and second quarters, the production in the first quarter accounted for (1/5) of the annual plan, and the production in the second quarter accounted for (1/4) of the annual plan. How many million TV sets are planned to be produced in a year?
某电视厂第一季度和第二季度共生产电视机50万台，第一季度生产占全年计划的(1/5)，第二季度生产占全年计划的(1/4)，这个厂全年计划生产电视机多少万台？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(1/5) + (1/4)</gadget>
<output>9/20 = around 0.45</output>

<gadget id="calculator">50 / (9/20)</gadget>
<output>1_000/9 = around 111.111111</output>

<result>1_000/9 = around 111.111111</result>