A house needs 108 square bricks of 16 square decimeters each to pave the floor. If it is paved with square bricks of 9 square decimeters each, how many bricks are needed? (Solve with ratio)
一间房子，用每块16平方分米的方砖铺地，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)
<gadget id="calculator">16 * 108</gadget>
<output>1_728</output>

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

<result>192</result>