There are 108 seats in the school's music classroom, and the number of seats in the library is 15 times that of the music classroom. How many seats are there in the school library?
学校音乐教室共有108个座位，图书馆的座位是音乐教室座位数的15倍．学校图书馆共有多少个座位？
<gadget id="calculator">108 * 15</gadget>
<output>1_620</output>

<result>1_620</result>