It takes 648 pieces to pave a room with square bricks with a side length of 4 decimeters. If the floor is paved with square bricks with a company length of 9 decimeters, how many pieces are needed?
用边长是4分米的方砖给房间铺地，需要648块，如果改用连长是9分米的方砖铺地，需要多少块？
<gadget id="calculator">4 * 4 * 648</gadget>
<output>10_368</output>

<gadget id="calculator">9 * 9</gadget>
<output>81</output>

<gadget id="calculator">10_368 / 81</gadget>
<output>128</output>

<result>128</result>