different biscuits and 4 different beverages, if only one biscuit and one beverage are used, how many combinations can there be?
2种不同的饼干和4种不同的饮料，如果只取一种饼干和一种饮料，可以有多少种搭配方法．
<gadget id="calculator">2 * 4</gadget>
<output>8</output>

<result>8</result>