Kobayashi calculated correctly 14 questions, 10 questions, and 18 questions respectively, and how many questions were correct each time on average.
小林口算分别算对了14题、10题、18题，平均每次算对了多少题．
<gadget id="calculator">14 + 10 + 18</gadget>
<output>42</output>

<gadget id="calculator">42 / 3</gadget>
<output>14</output>

<result>14</result>