Kobayashi reads a book. In the first 3 days, he read 156 pages in total, and in the next 9 days he read an average of 32 pages a day. How many pages does Xiaolin read on average in these days?
小林阅读一本书，前3天他共看了156页，后9天他平均每天看32页，这些天中小林平均每天看书多少页？
<gadget id="calculator">32 * 9</gadget>
<output>288</output>

<gadget id="calculator">156 + 288</gadget>
<output>444</output>

<gadget id="calculator">3 + 9</gadget>
<output>12</output>

<gadget id="calculator">444 / 12</gadget>
<output>37</output>

<result>37</result>