Junjun and his younger brother went to play in the playground. Each person paid 6 yuan for the first hour, and 8 yuan for each hour thereafter. After playing, the two paid a total of 64 yuan. How many hours did they play in the playground?
君君和弟弟到游乐场游玩，每人第一个小时付款6元，以后每小时付款8元，游玩后两人共付了64元，他们在游乐场玩了几小时？
<gadget id="calculator">6 * 2</gadget>
<output>12</output>

<gadget id="calculator">64 - 12</gadget>
<output>52</output>

<gadget id="calculator">8 * 2</gadget>
<output>16</output>

<gadget id="calculator">52 / 16</gadget>
<output>13/4 = around 3.25</output>

<gadget id="calculator">(13/4) + 1</gadget>
<output>17/4 = around 4.25</output>

<result>17/4 = around 4.25</result>