The specialty store promotes a sportswear, and each set is 30 yuan cheaper than the original price after a 15% discount. How much is the original price of this sportswear per set.
专卖店促销一款运动服，打八五折后每套比原价便宜30元．这款运动服原价每套多少元．
<gadget id="calculator">85 / 100</gadget>
<output>17/20 = around 0.85</output>

<gadget id="calculator">1 - (17/20)</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">30 / (3/20)</gadget>
<output>200</output>

<result>200</result>