Uncle Wang bought a set of "Encyclopedia for Juveniles" at Xinxing Bookstore with a 50% discount on his membership card, which is 6 yuan cheaper. What is the original price of this set of books?
王叔叔凭会员卡在新兴书店，以九五折购了一套《少年百科全书》，便宜了6元，这套书原价多少元．
<gadget id="calculator">95 / 100</gadget>
<output>19/20 = around 0.95</output>

<gadget id="calculator">1 - (19/20)</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">6 / (1/20)</gadget>
<output>120</output>

<result>120</result>