A piece of composition paper has 16 lines per line, 15 lines in total. When Xiaoli writes a composition, only 15 lines are needed to complete 2 sheets. How many words does her composition have?
一张作文纸每行16格，共15行，小丽写一篇作文，差15个格就满2张，她的这篇作文共多少个字？
<gadget id="calculator">16 * 15 * 2</gadget>
<output>480</output>

<gadget id="calculator">480 - 15</gadget>
<output>465</output>

<result>465</result>