Xiaogang's home is paved with square bricks, and 72 pieces can pave a floor of 18m**2. How many bricks are needed to pave the ground of 27m**2 with the same square bricks? (Solve with ratio)
小刚家用方砖铺地，72块可铺18m**2的地面．用同样的方砖铺27m**2的地面，需要多少块？(用比例解)
<gadget id="calculator">72 * 27</gadget>
<output>1_944</output>

<gadget id="calculator">1_944 / 18</gadget>
<output>108</output>

<result>108</result>