Dr. Long has 9 candies, 3 of which are crystal candies, 3 are fruit candies, and 3 are milk candies. Dr. Long asked Xiaomei to choose 3 candies at will. So, how many different possibilities are there for the candies that Xiaomei chooses?
龙博士有9颗糖果，其中有3颗是水晶糖，3颗是水果糖、3颗是牛奶糖，龙博士让小美从中任意选出3颗糖果．那么，小美选出的糖果一共有多少种不同的可能．
<gadget id="calculator">3 + 6 + 1</gadget>
<output>10</output>

<result>10</result>