The floor of the Class 5 classroom in the third grade is 8 meters long and 6 meters wide. It is going to be paved with square floor tiles with an area of 2 square meters. How many such floor tiles do you need to buy at least?
三年级5班教室地面长8米，宽6米，准备铺上面积是2平方米的正方形地砖，至少需要买这样的地砖多少块？
<gadget id="calculator">6 / 2</gadget>
<output>3</output>

<gadget id="calculator">8 * 3</gadget>
<output>24</output>

<result>24</result>