There are 6 red balls, 3 white balls, and 2 yellow balls in a box. If you touch any one, what is the probability of getting a white ball?
盒子里面装有6个红球，3个白球，2个黄球，任意摸一个，摸到白球的可能性是多少．
<gadget id="calculator">6 + 3 + 2</gadget>
<output>11</output>

<gadget id="calculator">3 / 11</gadget>
<output>3/11 = around 0.272727</output>

<result>3/11 = around 0.272727</result>