There are 5 red balls and 3 white balls in a bag, what is the probability of drawing a red ball in a random draw?
袋子里有5个红球3个白球，随机抽取时抽到红球的概率是多少．
<gadget id="calculator">3 + 5</gadget>
<output>8</output>

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<result>3/8 = around 0.375</result>