There are 4 male table tennis players and 3 female table tennis players. How many different combinations are there to form a mixed doubles team?
有4名男乒乓球队员和3名女乒乓球队员，现在要组合成一组男女混合双打队，一共有多少种不同的组合方法．
<gadget id="calculator">4 * 3</gadget>
<output>12</output>

<result>12</result>