Xiao Ming bought 6 exercise books, and Xiao Hong bought 4 of the same exercise books. Xiao Ming paid 1 yuan and 2 cents more than Xiao Hong. How much is the price of each exercise book.
小明买6本练习本，小红买了4本同样的练习本，小明比小红多付1元2角．每本练习本的价钱是多少元．
<gadget id="calculator">2 / 10</gadget>
<output>1/5 = around 0.2</output>

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

<gadget id="calculator">6 - 4</gadget>
<output>2</output>

<gadget id="calculator">(6/5) / 2</gadget>
<output>3/5 = around 0.6</output>

<result>3/5 = around 0.6</result>