A certain company of the People's Liberation Army was training. They walked at 3 o'clock in the morning and 2 o'clock in the afternoon. They walked an average of 5 kilometers per hour. How many kilometers did they walk in a day?
解放军某连队进行训练，上午走了3时，下午走了2时，平均每时走5千米，一天走了多少千米？
<gadget id="calculator">3 + 2</gadget>
<output>5</output>

<gadget id="calculator">5 * 5</gadget>
<output>25</output>

<result>25</result>