The teaching building of Dongfang Experimental Primary School has three floors, each floor has 12 teaching classes, and each class has an average of 40 students. How many students are there in this school?
东方实验小学的教学楼有三层，每层有12个教学班，平均每班有40名学生，这个学校有学生多少名？
<gadget id="calculator">12 * 3 * 40</gadget>
<output>1_440</output>

<result>1_440</result>