Xiaohua did oral calculations. He did 25 questions in the first 3 minutes and 15 questions in the next 2 minutes. How many questions did he do in one minute on average.
小华做口算题，前3分钟做了25题，后2分钟做了15题，他平均一分钟做了多少题．
<gadget id="calculator">25 + 15</gadget>
<output>40</output>

<gadget id="calculator">3 + 2</gadget>
<output>5</output>

<gadget id="calculator">40 / 5</gadget>
<output>8</output>

<result>8</result>