There are 6 rows of book cabinets in the school, each row has 4 floors, and each floor contains 150 books. How many books are there in the school library cabinet?
学校图书柜有6排，每排4层，每层有书150本．学校图书柜一共有图书多少本？
<gadget id="calculator">4 * 6 * 150</gadget>
<output>3_600</output>

<result>3_600</result>