The newly built basketball hall needs to lay a 3cm thick wooden floor. It is known that the length of the hall is 36m and the width is 20m. How many square meters of wood should be used to lay it.
新建的篮球馆要铺设3cm厚的木质地板，已知该馆长36m，宽20m，铺设它至少要用多少方的木材．
<gadget id="calculator">3 / 100</gadget>
<output>3/100 = around 0.03</output>

<gadget id="calculator">36 * 20 * (3/100)</gadget>
<output>108/5 = around 21.6</output>

<result>108/5 = around 21.6</result>