On Children's Day, Xinhua Bookstore sells children's books with a 20% discount. The child bought a book, which was 1.2 yuan cheaper than the original price. How much is the original price of this book?
儿童节这天，新华书店打八折出售儿童读物，小朋买了一本书，比原价便宜1.2元．这本书原价多少元？
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1 - (4/5)</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1.2 / (1/5)</gadget>
<output>6</output>

<result>6</result>