After Archie enters a Chinese restaurant, he finds that there are 3 kinds of staple food and 20 kinds of hot dishes. He plans to buy one staple food and one hot dish, how many different ways are there in total?
阿奇进人一家中餐厅后，发现主食有3种，热菜有20种．他打算主食和热菜各买1种，一共有多少种不同的买法？
<gadget id="calculator">3 * 20</gadget>
<output>60</output>

<result>60</result>