There are 2 red balls, 1 white ball, and 3 yellow balls in a bag. If you touch any one ball, what is the probability of getting a white ball?
袋子中有2个红球、1个白球、3个黄球，任意摸1个球，摸到白球的可能性是多少
<gadget id="calculator">2 + 3 + 1</gadget>
<output>6</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<result>1/6 = around 0.166667</result>