During the "June 1st" Children's Day, the books in Xinhua Bookstore are all sold at a 10% discount. Xiao Ming bought two sets of books A and B and paid 144 yuan in total. It is known that book A is priced at 25% of the profit, and book B is priced at 20%. Profit pricing, now they are sold at a 10% discount, and they can still make a profit of 14 yuan. What is the purchase price of Book A?
"六•一"儿童节期间，新华书店的书籍都打九折出售，小明买了甲、乙两套书共付144元，已知甲书按25%的利润定价，乙书按20%的利润定价，现在都打九折出售，仍可获利14元，甲书的进货价是多少？
<gadget id="calculator">0.9 * 14</gadget>
<output>12.6</output>

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">0.9 * (1/5) * 14</gadget>
<output>2.52</output>

<gadget id="calculator">0.9 * 144</gadget>
<output>129.6</output>

<gadget id="calculator">0.9 * (1/5) * 144</gadget>
<output>25.92</output>

<gadget id="calculator">144 - 129.6 - 25.92</gadget>
<output>-11.52</output>

<gadget id="calculator">12.6 + 2.52 + (-11.52)</gadget>
<output>3.6</output>

<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">0.9 * (1/4)</gadget>
<output>0.225</output>

<gadget id="calculator">0.9 * (1/5)</gadget>
<output>0.18</output>

<gadget id="calculator">0.225 - 0.9 - 0.18</gadget>
<output>-0.855</output>

<gadget id="calculator">0.9 + (-0.855)</gadget>
<output>0.045</output>

<gadget id="calculator">3.6 / 0.045</gadget>
<output>80</output>

<result>80</result>