During the "June 1st" period, a shopping mall in Quzhou held a promotion of 15% off. Wang Li bought a coat and spent 170 yuan. What is the original price of this coat?
"六一"期间，衢州某商场举行八五折的促销活动，王丽买了一件上衣花了170元，这件上衣的原价是多少元．
<gadget id="calculator">85 / 100</gadget>
<output>17/20 = around 0.85</output>

<gadget id="calculator">170 / (17/20)</gadget>
<output>200</output>

<result>200</result>