Xiaowei reads one storybook a week, a total of 46 pages in the first 3 days, and 20 pages a day in the next 4 days. How many pages does he read on average per day?
小伟一个星期看一本故事书，前3天共看46页，后4天每天看20页．他平均每天看书多少页？
<gadget id="calculator">20 * 4</gadget>
<output>80</output>

<gadget id="calculator">80 + 46</gadget>
<output>126</output>

<gadget id="calculator">3 + 4</gadget>
<output>7</output>

<gadget id="calculator">126 / 7</gadget>
<output>18</output>

<result>18</result>