Li Ming is playing a ball game. There are 3 red balls and 2 yellow balls in the box. Which of the following statements is correct is the probability of touching a yellow ball
李明在玩摸球游戏，箱里有3个红球和2个黄球．下列说法正确的是摸到黄球的可能性是多少
<gadget id="calculator">2 + 3</gadget>
<output>5</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<result>2/5 = around 0.4</result>