There are 6 grades in Guangming Primary School, each grade has 5 classes, and each class has an average of 38 students. How many students are there in Guangming Primary School?
光明小学共有6个年级，每个年级有5个班，每班平均有38名学生，光明小学一共有多少学生？
<gadget id="calculator">6 * 5 * 38</gadget>
<output>1_140</output>

<result>1_140</result>