There are 3 red balls, 4 yellow balls and 5 white balls in the bag. Xiao Ming randomly takes 6 balls out of the bag. How many possibilities are there for him to take out the balls?
袋中有3个红球，4个黄球和5个白球，小明从中任意拿出6个球，他拿出球的情况共有多少种可能．
<gadget id="calculator">2 + 3 + 4 + 4 + 3 + 2</gadget>
<output>18</output>

<result>18</result>