In a 200-page book, if you open a page at random, what is the probability that the page number is divisible by 4?
一本200页的书，随手翻开一页，则翻到页码数能被4整除的可能性为多少
<gadget id="calculator">200 / 4</gadget>
<output>50</output>

<gadget id="calculator">50 / 200</gadget>
<output>1/4 = around 0.25</output>

<result>1/4 = around 0.25</result>