A shopping mall has a sales promotion, and a piece of clothing is sold at a 15% discount, which is 30 yuan cheaper. How much is the original price of this piece of clothing?
商场搞促销活动，一件衣服按八五折出售，便宜了30元，这件衣服原价多少元？
<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>