Xinhua Bookstore launched a "5% discount" book purchase activity. Wang Jun bought a copy of "Encyclopedia for Juveniles", which is 6 yuan cheaper than the original price. What is the original price of this book?
新华书店开展"九五折优惠"购书活动．王军买了一本《少年百科全书》，比原价便宜了6元，这本书的原价是多少元．
<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>