classroom is 8 meters long and 6 meters wide. How many square bricks are needed to pave the floor with square bricks with a side length of 4 decimeters?
一间教室的长是8米，宽是6米．用边长4分米的方砖铺地，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">4 * 4</gadget>
<output>16</output>

<gadget id="calculator">60 / 16</gadget>
<output>15/4 = around 3.75</output>

<gadget id="calculator">80 * (15/4)</gadget>
<output>300</output>

<result>300</result>