When Xiaoling and her mother spend 100 yuan in shopping at the mall, they can draw a prize once. Put 6 balls of the same size in a box, 1 red ball and 5 white balls, and the red ball is the prize. Xiaoling picks out one randomly, what is the probability of winning the prize?
小玲和妈妈到商场购物满100元，可以抽一次奖．在箱子里装了6个大小相同的球，1个红球和5个白球，摸出红球为获奖．小玲任意摸出一个，中奖的可能性是多少．
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<result>1/6 = around 0.166667</result>