The teaching building of Sijiqing Primary School has 4 floors, each floor has 6 classrooms, and each classroom has 34 sets of desks and chairs. How many sets of desks and chairs are there in the classrooms of Sijiqing Primary School?
四季青小学教学楼共4层，每层有6个教室，每个教室内有34套桌椅，四季青小学教室里一共有多少套桌椅？
<gadget id="calculator">34 * 6 * 4</gadget>
<output>816</output>

<result>816</result>