A book has 190 pages, Xiaofang has already read 64 pages, and the rest reads 18 pages a day, how many days will it take to finish it?
一本书有190页，小芳已经看了64页，剩下的每天看18页，还要几天才能看完？
<gadget id="calculator">190 - 64</gadget>
<output>126</output>

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

<result>7</result>