Dad and Xiao Ming went to the Children’s Paradise to row a boat. They rented a boat for 6 yuan per person for the first hour, and then paid 5 yuan per person for each hour thereafter. They paid a total of 52 yuan at the end. How many hours did they row together?
爸爸和小明到儿童乐园划船，租一只船游玩第一小时每人6元，以后每小时每人付款5元，他俩结束时共付款52元，他们共划船多少小时？
<gadget id="calculator">2 * 6</gadget>
<output>12</output>

<gadget id="calculator">52 - 12</gadget>
<output>40</output>

<gadget id="calculator">2 * 5</gadget>
<output>10</output>

<gadget id="calculator">40 / 10</gadget>
<output>4</output>

<gadget id="calculator">4 + 1</gadget>
<output>5</output>

<result>5</result>