Xiaofang read a 240-page "Insects", and read 48 pages two days ago. At this speed, how many days will it take to finish reading.
小芳看一本240页的《昆虫记》，前2天看了48页，照这样的速度看下去，还要多少天可以看完．
<gadget id="calculator">240 - 48</gadget>
<output>192</output>

<gadget id="calculator">48 / 2</gadget>
<output>24</output>

<gadget id="calculator">192 / 24</gadget>
<output>8</output>

<result>8</result>