There are 2 white balls and 3 red balls in a pocket, if one is randomly drawn, what is the probability of drawing a red ball?
口袋里有2个白球，3个红球，任意摸出1个，摸到红球的可能性是多少．
<gadget id="calculator">2 + 3</gadget>
<output>5</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<result>3/5 = around 0.6</result>