There are 4 red balls and 1 blue ball in the box, the correct statement is what is the probability of touching the red ball
箱子里有4个红球和1个蓝球，正确的说法是摸到红球的可能性是多少
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<result>4/5 = around 0.8</result>