There are 6 different foreign language books and 4 different language books on the bookshelf, and one foreign language and one language book are randomly selected from them. How many different ways are there?
书架上有6本不同的外语书，4本不同的语文书，从中任取外语、语文书各一本，有多少种不同的取法？
<gadget id="calculator">6 * 4</gadget>
<output>24</output>

<result>24</result>