Yanhan’s house needs 108 square bricks with a side length of 4 decimeters to pave the house. If they use square bricks with a side length of 9 square decimeters instead, how many bricks are needed? (answer with ratio)
岩罕家装修房子，用边长4分米的方砖铺地需要108块，如果改用每块9平方分米的方砖来铺，需要多少块？(用比例解答)
<gadget id="calculator">4 * 4 * 108</gadget>
<output>1_728</output>

<gadget id="calculator">1_728 / 9</gadget>
<output>192</output>

<result>192</result>