A certain company of the People’s Liberation Army conducted camping training. The first time it went for 3 hours, it marched an average of 14 kilometers per hour; How many kilometers per hour did the company march on average during the two training sessions?
解放军某连队进行野营拉练，第一次行了3小时，平均每小时行军14千米；第二次用了同样的时间，共行了30千米．这个连队两次拉练平均每小时行军多少千米？
<gadget id="calculator">3 * 14</gadget>
<output>42</output>

<gadget id="calculator">42 + 30</gadget>
<output>72</output>

<gadget id="calculator">3 + 3</gadget>
<output>6</output>

<gadget id="calculator">72 / 6</gadget>
<output>12</output>

<result>12</result>