A shopping mall conducts promotional activities, and a certain brand of TVs is on sale, and the price is reduced by 10%. On this basis, the mall returns 6% of the selling price in cash. At this time, the TV of this brand is equivalent to how much is the price reduction?
商场搞促销活动，某品牌的电视机进行促销，降价10%．在此基础上，商场又返还售价6%的现金．此时这个品牌的电视机，相当于降价百分之多少？
<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 - (1/10)</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">6 / 100</gadget>
<output>3/50 = around 0.06</output>

<gadget id="calculator">1 - (3/50)</gadget>
<output>47/50 = around 0.94</output>

<gadget id="calculator">(47/50) / 1</gadget>
<output>47/50 = around 0.94</output>

<gadget id="calculator">1 * (9/10) * (47/50)</gadget>
<output>423/500 = around 0.846</output>

<gadget id="calculator">1 - (423/500)</gadget>
<output>77/500 = around 0.154</output>

<result>77/500 = around 0.154</result>