The total price of 80 Chinese books is the same as that of 100 math books. Each Chinese book is 4.5 yuan more expensive than the math book. How much is the price of each Chinese book?
80本语文书和100本数学书的总价相等，每本语文书比数学书贵4.5元，每本语文书的价钱是多少？
<gadget id="calculator">80 * 4.5</gadget>
<output>360</output>

<gadget id="calculator">100 - 80</gadget>
<output>20</output>

<gadget id="calculator">360 / 20</gadget>
<output>18</output>

<gadget id="calculator">18 + 4.5</gadget>
<output>22.5</output>

<result>22.5</result>