How many square bricks are needed to pave 54 square meters of ground with square bricks with a side length of 0.6 meters?
用边长0.6米的方砖铺54平方米的地面，需要多少块这样的方砖？
<gadget id="calculator">0.6 * 0.6</gadget>
<output>0.36</output>

<gadget id="calculator">54 / 0.36</gadget>
<output>150</output>

<result>150</result>