There are 2 red balls, 2 yellow balls, and 2 white balls in an opaque bag. Kiki reaches out to touch it, but only one ball can be found. What is the probability of finding a red ball?
一个不透明的袋子里装了2个红球，2个黄球，2个白球，奇奇伸手去摸，只能摸出一个球，摸出红球的可能性是多少
<gadget id="calculator">2 + 2 + 2</gadget>
<output>6</output>

<gadget id="calculator">2 / 6</gadget>
<output>1/3 = around 0.333333</output>

<result>1/3 = around 0.333333</result>