There are 6 grades in Century Primary School, and each grade has 9 classes. During the publicity activities for "World Environmental Protection Day", each class drew 52 posters. Please count how many posters were drawn by Century Primary School?
世纪小学有6个年级，每个年级有9个班，他们在为"世界环保日"做宣传活动中，每班画了52幅宣传画．请你算一算世纪小学一共画了多少幅宣传画？
<gadget id="calculator">9 * 6 * 52</gadget>
<output>2_808</output>

<result>2_808</result>