36 yuan for 5 math books, 52 yuan for 8 Chinese books. How much more is the unit price of mathematics books than that of language books?
数学书5本36元，语文书8本52元．数学书的单价比语文书的单价多多少元？
<gadget id="calculator">36 / 5</gadget>
<output>36/5 = around 7.2</output>

<gadget id="calculator">52 / 8</gadget>
<output>13/2 = around 6.5</output>

<gadget id="calculator">(36/5) - (13/2)</gadget>
<output>7/10 = around 0.7</output>

<result>7/10 = around 0.7</result>