Suning Appliance sold out a batch of TV sets in two days. The total number sold on the first day (2/5) was 80 more, and the ones sold on the second day were exactly the ones sold on the first day (1/4). How many TVs are there in this batch?
苏宁电器两天卖完一批电视机．第一天卖出总数的(2/5)多80台，第二天卖出的正好是第一天卖出的(1/4)．这批电视机有多少台？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">80 * (1/4)</gadget>
<output>20</output>

<gadget id="calculator">80 + 20</gadget>
<output>100</output>

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

<gadget id="calculator">(2/5) * (1/4)</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 - (2/5) - (1/10)</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">100 / (1/2)</gadget>
<output>200</output>

<result>200</result>