The area of a bathroom is 5.85 square meters. Now it is necessary to lay square floor tiles with a side length of 0.3 meters. At least how many floor tiles are needed to cover it?
一间卫生间的面积是5.85平方米，现在要铺上边长为0.3米的正方形地砖，至少需要多少块地砖能铺满？
<gadget id="calculator">0.3 * 0.3</gadget>
<output>0.09</output>

<gadget id="calculator">5.85 / 0.09</gadget>
<output>65</output>

<result>65</result>