If you want to choose 1 male student and 1 female student to host a party among 3 male students and 4 female students, how many different choices are there?
如果要在3位男同学和4位女同学中选择1位男同学和1位女同学主持一场晚会，一个有多少种不同的选法．
<gadget id="calculator">3 * 4</gadget>
<output>12</output>

<result>12</result>