There are 8 pencils in one pocket. 1 red pencil, 2 yellow pencils and 5 flower pencils, now touch one of them and put it back, what is the probability of touching a yellow pencil
在一个口袋里装有8支铅笔．1支红铅笔、2支黄铅笔和5支花铅笔，现在从中摸一枝再放回，摸到黄铅笔的可能性是多少
<gadget id="calculator">2 / 8</gadget>
<output>1/4 = around 0.25</output>

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