A stamp book has 16 pages, 6 lines of stamps are pasted on each page, and 4 stamps are pasted on each line; if there is one less line on each sheet, how many stamps will be missing in this stamp book?
一本集邮本有16页，每页贴6行邮票，每行贴4张邮票；如果每张少贴1行，这本集邮本一共要少贴多少张邮票？
<gadget id="calculator">16 * 4</gadget>
<output>64</output>

<result>64</result>