There are 2 meat dishes and 4 vegetarian dishes in the recipe, how many different combinations are there for one meat and one vegetarian.
菜谱里有2个荤菜，4个素菜，一荤一素一共有多少种不同的搭配方法．
<gadget id="calculator">2 * 4</gadget>
<output>8</output>

<result>8</result>