There are 5 white balls, 3 blue balls and 1 yellow ball of the same size in the box, now draw a ball randomly from it, what is the probability of getting the blue ball
盒中有规格相同的5个白球、3个蓝球和1个黄球，现从中随意摸出1个球，摸到蓝球的可能性是多少
<gadget id="calculator">5 + 3 + 1</gadget>
<output>9</output>

<gadget id="calculator">3 / 9</gadget>
<output>1/3 = around 0.333333</output>

<result>1/3 = around 0.333333</result>