There are 3 kinds of staple food, 4 kinds of meat, and 3 kinds of vegetables in the student cafeteria. Choose one of each to make a box lunch. How many kinds can be made.
学生食堂有主食3种、肉类4种、蔬菜3种，从其中各选1种配成盒饭，可以配成多少种．
<gadget id="calculator">3 * 4 * 3</gadget>
<output>36</output>

<result>36</result>