There are 5 different Chinese books, 6 math books, 3 English books, and 2 nature books. Take one of them, how many ways are there?
有不同的语文书5本，数学书6本，英语书3本，自然书2本．从中任取一本，共有多少种取法．
<gadget id="calculator">5 + 6 + 3 + 2</gadget>
<output>16</output>

<result>16</result>