Dongdong has been reading a 150-page storybook for 3 days, and there are 36 pages left. How many pages does Dongdong read on average every day?
冬冬看一本150页的故事书，已经看了3天，还剩36页．冬冬平均每天看多少页？
<gadget id="calculator">150 - 36</gadget>
<output>114</output>

<gadget id="calculator">114 / 3</gadget>
<output>38</output>

<result>38</result>