There are 3 yellow apples, 2 red apples and 1 green apple in the bag. Lili likes to eat red apples. What is the probability that she takes out a red apple when she takes it once?
袋子里有3个黄苹果，2个红苹果和1个青苹果，丽丽喜欢吃红苹果，她拿一次，拿出的是红苹果的可能性是多少
<gadget id="calculator">3 + 2 + 1</gadget>
<output>6</output>

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

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