A certain brand of LCD TV has a promotional activity, and the price is reduced by 12%. On this basis, the mall returns 5% of the selling price in cash. Buying a TV of this brand at this time is equivalent to reducing the price by what percentage?
某品牌的液晶电视进行促销活动，降价12%，在此基础上，商场又返还售价5%的现金．此时买这个品牌的电视机，相当于降价百分之多少？
<gadget id="calculator">12 / 100</gadget>
<output>3/25 = around 0.12</output>

<gadget id="calculator">1 - (3/25)</gadget>
<output>22/25 = around 0.88</output>

<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">1 - (1/20)</gadget>
<output>19/20 = around 0.95</output>

<gadget id="calculator">1 * (22/25) * (19/20)</gadget>
<output>209/250 = around 0.836</output>

<gadget id="calculator">1 - (209/250)</gadget>
<output>41/250 = around 0.164</output>

<gadget id="calculator">(41/250) / 1</gadget>
<output>41/250 = around 0.164</output>

<result>41/250 = around 0.164</result>