bookstore offers a 50% discount on all books. Xiaohong bought a book, which is 6 yuan cheaper than the original price. What is the original price of the book?
某书店购书一律九五折，小红买了一本书，比原价便宜6元，这本书原价多少元．
<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>