Mr. Zhang brought 300 yuan to buy the composition selection. I bought 32 selected essays, leaving 12 yuan. What is the price of each essay selection?
张老师带300元买作文选．买了32本作文选，剩12元．每本作文选的价钱是多少？
<gadget id="calculator">300 - 12</gadget>
<output>288</output>

<gadget id="calculator">288 / 32</gadget>
<output>9</output>

<result>9</result>