A conference room needs 1152 square bricks with a side length of 3 decimeters. If it is changed to square bricks with a side length of 4 decimeters, how many pieces will be used?
一间会议室用边长3分米的方砖铺要用1152块．如果改为边长4分米的方砖来铺，要用多少块？
<gadget id="calculator">4 * 4</gadget>
<output>16</output>

<gadget id="calculator">1_152 / 16</gadget>
<output>72</output>

<gadget id="calculator">3 * 3 * 72</gadget>
<output>648</output>

<result>648</result>