The original price of a product is A yuan. Affected by the market economy, the price is first raised by 20%, and then the price is reduced by 15%. How many percent more is the current price than the original price?
一种产品原价为A元，受市场经济的影响，先提价20%，后又降价15%，现价比原价多百分之几？
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">1 * (6/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">15 / 100</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">1 - (3/20)</gadget>
<output>17/20 = around 0.85</output>

<gadget id="calculator">(6/5) * (17/20)</gadget>
<output>51/50 = around 1.02</output>

<gadget id="calculator">(51/50) - 1</gadget>
<output>1/50 = around 0.02</output>

<result>1/50 = around 0.02</result>