There are 4 kinds of vegetarian dishes and 3 kinds of meat dishes in the lunch menu provided for the students in the canteen of the experimental primary school. If you choose 1 kind of vegetarian dishes and 1 kind of meat dishes, how many different collocation methods are there?
实验小学食堂为学生提供的午餐菜单中有素菜4种，荤菜3种，如果从中选择素菜和荤菜各1种，有多少种不同的搭配方法．
<gadget id="calculator">4 * 3</gadget>
<output>12</output>

<result>12</result>