A Chinese teacher chooses a boy and a girl from 4 boys and 3 girls who are of the same level to participate in the "reciting" competition. How many possibilities will there be in the selection result?
语文老师在水平相当的4位男生和3位女生中挑选一男一女参加"朗诵"比赛，挑选结果会出现多少种可能．
<gadget id="calculator">3 * 4</gadget>
<output>12</output>

<result>12</result>