The younger brother has 114 picture books, the older brother has twice as many picture books as the younger brother, and the older sister has three times as many picture books as the older brother. How many picture books does the older sister have?
弟弟有图画书114本，哥哥的图画书是弟弟的2倍，姐姐的图画书是哥哥的3倍，姐姐有图画书多少本？
<gadget id="calculator">114 * 2 * 3</gadget>
<output>684</output>

<result>684</result>