A classroom is 8 meters long and 6 meters wide. Now use square bricks with a side length of 2 decimeters to pave the floor, at least how many square bricks are needed?
一间教室的长是8米，宽是6米．现在用边长是2分米的正方形方砖铺地，至少需要多少块方砖？
<gadget id="calculator">8 * 10</gadget>
<output>80</output>

<gadget id="calculator">6 * 10</gadget>
<output>60</output>

<gadget id="calculator">2 * 2</gadget>
<output>4</output>

<gadget id="calculator">60 / 4</gadget>
<output>15</output>

<gadget id="calculator">80 * 15</gadget>
<output>1_200</output>

<result>1_200</result>