Xiao Ming went to the bookstore and bought three books: "Journey to the West", "Harry Potter" and "Doraemon". The total price should be 38.1 yuan, but the salesperson aunt put the book "Harry Potter" The decimal point of the pricing was wrong, and Xiao Ming only paid 24.06 yuan. So how much is the price of the book "Harry Potter"?
小明去书店买了《西游记》《哈利•波特》《机器猫》这3本书，总价应是38.1元，但营业员阿姨在计算价格时把《哈利•波特》这本书的定价的小数点看错了，结果小明只付了24.06元．那么《哈利•波特》这本书的定价是多少元呢？
<gadget id="calculator">38.1 - 24.06</gadget>
<output>14.04</output>

<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 - (1/10)</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">14.04 / (9/10)</gadget>
<output>15.6</output>

<result>15.6</result>