A book has 142 pages, Xiaoya read it for 4 days, and there are 36 pages left. How many pages does she read on average per day?
一本书有142页，小亚看了4天，还剩36页没看．她平均每天看多页？
<gadget id="calculator">142 - 36</gadget>
<output>106</output>

<gadget id="calculator">106 / 4</gadget>
<output>53/2 = around 26.5</output>

<result>53/2 = around 26.5</result>