During the "May 1st" period, Zhongbai Storage held a 15% discount promotion. Zhang Pei bought a pair of trousers for 102 yuan. What is the original price of these trousers?
"五一"期间，中百仓储举行八五折的促销活动，张佩买了一条裤子花了102元，这条裤子的原价是多少元．
<gadget id="calculator">85 / 100</gadget>
<output>17/20 = around 0.85</output>

<gadget id="calculator">102 / (17/20)</gadget>
<output>120</output>

<result>120</result>