The Academy of Fine Arts has a two-story exhibition hall, with three exhibition halls on each floor. A total of 240 paintings are placed in these exhibition halls. How many paintings are placed in each exhibition hall on average?
美术学院有一个2层的展览馆，每层有3个展厅．在这些展厅一共放了240幅画，平均每个展厅放几幅？
<gadget id="calculator">240 / 2 / 3</gadget>
<output>40</output>

<result>40</result>